OT-2026-000003683
Publication integrity record
Vacuum cup gripper, three zone face, common isolation valve, two stage ejector
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-2026-000003683) never changes.
Identity and time
| Publication number | OT-2026-000003683 · never reused |
|---|---|
| Internal UUID | 01a0a90a-bc3e-7aac-adb5-4a5c7ec41040 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:07:28.192827Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000003683 |
| Status | PUBLIC |
Content hashes
| Canonical text | 1ae33697c4ceff75f0297ac4115efcb60b9d048f89f6a6a58e336f2577f2e769 |
|---|---|
| Markdown | 762bdb4ae782bcb894f2cd5f6aa03dfeeb8df4cba6c1cdd0be14c4b94a68d936 |
| Publication page | b99997d116f7ce650a39048d7dd6e9b5f7acf2770b49e0d41b6bb32321c1352f |
| Manifest | 5ba787b4af0caba6b1ae3262897e7dde5656de412ded38c52f2dbd46506b66b0 |
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 | ui3s0uzqj2I9rC00iftcWDsnzAn7gFTdx/oPbnqYxrENGTcbpAXCs/c+fJNfCvWoCn1l3U/ZZ2p3jq7sZpE3Cw== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T07:27:02Z batch OT-TS-2026-W38-009 · RFC 3161 token · inclusion proof root aada101caea153fd76622afa3661a5b8... |
|---|
Independent retrieval
| 2026-10-26T08:41:25.459000Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003683observed b99997d116f7ce650a39048d7dd6e9b5...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-26T08:41:25.390092Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003683/manifest.jsonobserved 5ba787b4af0caba6b1ae3262897e7dde...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-26T08:41:25.316344Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003683/publication.mdobserved 762bdb4ae782bcb894f2cd5f6aa03dfe...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-26T08:41:25.046100Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003683/publication.txtobserved 1ae33697c4ceff75f0297ac4115efcb6...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-08T04:23:07.855344Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003683observed b99997d116f7ce650a39048d7dd6e9b5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-08T04:23:07.841730Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003683/manifest.jsonobserved 5ba787b4af0caba6b1ae3262897e7dde...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-08T04:23:07.826460Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003683/publication.mdobserved 762bdb4ae782bcb894f2cd5f6aa03dfe...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-08T04:23:07.757558Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003683/publication.txtobserved 1ae33697c4ceff75f0297ac4115efcb6...fetched by instance-3.rotem.ai from 34.69.0.72, 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 |
|---|