OT-2026-000052300
Publication integrity record
Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, pulsed blow-off after set-down, on a tool changer
This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000052300) never changes.
Identity and time
| Publication number | OT-2026-000052300 · never reused |
|---|---|
| Internal UUID | 01a0ae83-e791-77bb-999a-63d82eda2488 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:37:55.233643Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000052300 |
| Status | PUBLIC |
Content hashes
| Canonical text | 0a01cc0f48a4db0b304ec0fe06ae4652bb7c836bcd18d457839af08b5f7f5858 |
|---|---|
| Markdown | 33d1eb982d7b40f141669c8b2575fc0f7a033c79ce6d52d3c4663dabf161b201 |
| Publication page | 398097b564c0d970270c100fd30fedd16a9931a1df00113414e857dc2e68948d |
| Manifest | 200f0de01e7b071964a8c398e8bc8f2aad313f43c1c557987086dd8201b8048c |
SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.
Manifest signature
| Algorithm | Ed25519 · key
OT-SIGN-2026-01 · Verified |
|---|---|
| Signature | CDPaTVD0o2awkDRLgL9xJMQHrtQwaMKnzNvGG2jpItOvEUxVXcW//NemOcXuvpSQDvOo9OoEwr5qE8npbu/fDQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:47:04Z batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof root 954df3475fbcfbe27467725cfb2ec919... |
|---|---|
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
Independent retrieval
| 2026-09-21T16:41:41.276801Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052300observed 398097b564c0d970270c100fd30fedd1...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-21T16:41:41.215700Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052300/manifest.jsonobserved 200f0de01e7b071964a8c398e8bc8f2a...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-21T16:41:41.142766Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052300/publication.mdobserved 33d1eb982d7b40f141669c8b2575fc0f...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-21T16:41:41.062064Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052300/publication.txtobserved 0a01cc0f48a4db0b304ec0fe06ae4652...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-18T12:42:32.654093Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052300observed 398097b564c0d970270c100fd30fedd1...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-18T12:42:32.504931Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052300/manifest.jsonobserved 200f0de01e7b071964a8c398e8bc8f2a...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-18T12:42:32.365473Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052300/publication.mdobserved 33d1eb982d7b40f141669c8b2575fc0f...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-18T12:42:32.196100Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052300/publication.txtobserved 0a01cc0f48a4db0b304ec0fe06ae4652...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.
Independent archive
| External archive | Pending Canonical URLs are submitted to an independent archive in batches. |
|---|
A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.
Third-party custody
| OT-CUSTODY-2026-W38 | OpenTechnical-Custody-2026-W38.tar.zstf2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent |
|---|