OT-2026-000056140
Publication integrity record
Single bellows cup vacuum gripper, common isolation valve, two stage ejector, sustained 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-2026-000056140) never changes.
Identity and time
| Publication number | OT-2026-000056140 · never reused |
|---|---|
| Internal UUID | 01a0ae87-0a4b-7a15-b7d4-0b899f55e712 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:41:20.734835Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000056140 |
| Status | PUBLIC |
Content hashes
| Canonical text | 3c4b002dea003d05ea1839a8053748e985e21e8165c81e837219e44f957b7252 |
|---|---|
| Markdown | 04e3df59c6bf3885555ffe18d8b46f940adddc6017cb39f08b4459ed6dd4bcd6 |
| Publication page | 0c6f3d067d5d5c3f753b3752fc9bc89267627b41904f1a7b945300655b3d9477 |
| Manifest | 12b0849a366015a3cad25bab02b516aee0481d6c35d99d38db667ee7df3d8992 |
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 | /yRTuHLTFsXhiI2X1edSHvJROOn4vz03P7yU3djU2wyB1ZBrg0fcNP6W/NrUmxGA2BF4A7y+Rgnv9fVwvm4SDA== |
| 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
| 2026-09-17T10:51:41.452600Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056140observed 0c6f3d067d5d5c3f753b3752fc9bc892...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:51:41.435138Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056140/manifest.jsonobserved 12b0849a366015a3cad25bab02b516ae...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:51:41.416689Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056140/publication.mdobserved 04e3df59c6bf3885555ffe18d8b46f94...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:51:41.398973Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056140/publication.txtobserved 3c4b002dea003d05ea1839a8053748e9...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
| Custody package | Pending Custody packages are produced weekly. |
|---|