OT-2026-000052760
Publication integrity record
Single bellows cup vacuum gripper, three stage ejector, supply line 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-2026-000052760) never changes.
Identity and time
| Publication number | OT-2026-000052760 · never reused |
|---|---|
| Internal UUID | 01a0ae84-a42d-7ed1-8203-886f9f3f8b8d · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:38:43.524202Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000052760 |
| Status | PUBLIC |
Content hashes
| Canonical text | 4d82f8d81bb0a4c1e839e2d19a323f7d7f1e71ceaeb1e2d5ac45864b9637eaa8 |
|---|---|
| Markdown | faea3d52089c45f2fe59a61b1e0712c1ab0034a258e48114acd340372e1df58c |
| Publication page | 0bb587031952a4d8ba7ff507f4fe8f942d253928b28d3fc7a0d695ce0fb56b6f |
| Manifest | cdaf30229b1d9f02a07110c28922864c2208b944258f6e1130331e1356f11de3 |
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 | Gz6dxDB/OcXnKwNxeJCYr+9l+yPF1Zm/YIN4airJiRsG3KRYfsVaie7is2SErTBxrIIrOgZgBB/IXpvK5kc6Aw== |
| 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
| 2026-10-31T16:41:20.164276Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052760observed 0bb587031952a4d8ba7ff507f4fe8f94...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-31T16:41:20.094248Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052760/manifest.jsonobserved cdaf30229b1d9f02a07110c28922864c...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-31T16:41:20.019077Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052760/publication.mdobserved faea3d52089c45f2fe59a61b1e0712c1...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-31T16:41:19.923877Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052760/publication.txtobserved 4d82f8d81bb0a4c1e839e2d19a323f7d...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-14T00:41:02.673430Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052760observed 0bb587031952a4d8ba7ff507f4fe8f94...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-14T00:41:02.589907Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052760/manifest.jsonobserved cdaf30229b1d9f02a07110c28922864c...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-14T00:41:02.455845Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052760/publication.mdobserved faea3d52089c45f2fe59a61b1e0712c1...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-14T00:41:02.319265Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052760/publication.txtobserved 4d82f8d81bb0a4c1e839e2d19a323f7d...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 |
|---|