OT-2026-000051221
Publication integrity record
Single cup vacuum gripper, pump fed, vented before 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-2026-000051221) never changes.
Identity and time
| Publication number | OT-2026-000051221 · never reused |
|---|---|
| Internal UUID | 01a0ae83-273f-75b7-9f51-2eab356f10df · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:37:05.998905Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000051221 |
| Status | PUBLIC |
Content hashes
| Canonical text | 0f1b0fe6a8fcf74c511b54fa85273f4071a41e14f67ca0f7278ca51fd1c49789 |
|---|---|
| Markdown | 23781141322dd072a868042e344ec6a04d243c13b6d85e8f3b827976b5ae0192 |
| Publication page | 639667fa2ea43ec82400a24d5b84c8d49dae3590e89b72f8fa4291b1c50d4d18 |
| Manifest | ac2b7e69461ca9ee623ed753e74b67c617f966323f74fc9151b97bd861ba83e4 |
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 | +68gYaxjxOo/2oRXNsF7XS1ARjxsujgy3dbVqzFZL5kjISDHuVrppZyzrFI2aqvvjsZebf95dYr3P2LFyNZRDw== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
|---|
Independent retrieval
| 2026-09-17T10:59:00.567454Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000051221observed 639667fa2ea43ec82400a24d5b84c8d4...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:59:00.547894Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000051221/manifest.jsonobserved ac2b7e69461ca9ee623ed753e74b67c6...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:59:00.528622Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000051221/publication.mdobserved 23781141322dd072a868042e344ec6a0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:59:00.509896Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000051221/publication.txtobserved 0f1b0fe6a8fcf74c511b54fa85273f40...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. |
|---|