OT-2026-000007172
Publication integrity record
Porous face vacuum gripper, four zone face, two stage ejector, vented before set down
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-2026-000007172) never changes.
Identity and time
| Publication number | OT-2026-000007172 · never reused |
|---|---|
| Internal UUID | 01a0a975-4d9c-733b-b842-dac17731e952 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T09:03:52.223468Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000007172 |
| Status | PUBLIC |
Content hashes
| Canonical text | fec2e19a07055f6e629d62c888291b2b1341f6c9f939c461e1c8503243f5fd07 |
|---|---|
| Markdown | 32c8dea759745bc59101a903218eef506b22cf45cdbe5abc78bea638234723b3 |
| Publication page | ff1e6ab1b776f16334f084dcda6425612963175d5f4be2551fc6cec3a3ef7b8a |
| Manifest | fe29a1145f80f19fd231147f7a28459df37eb97d44178ef3140a5ca5fc07c2d1 |
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 | 4PuOGbvURCAB4MrIl+lay/42cXx5myoOB80g4jz4T3XMmY5xU2kGGDgATRozZQVd8jb9KDCFUnLOeJ8HyNgrBQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T09:07:03Z batch OT-TS-2026-W38-014 · RFC 3161 token · inclusion proof root 2354c19da800f8df297acf3cddd64d4d... |
|---|
Independent retrieval
| 2026-09-16T09:10:19.420819Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007172observed ff1e6ab1b776f16334f084dcda642561...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T09:10:19.408851Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007172/manifest.jsonobserved fe29a1145f80f19fd231147f7a28459d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T09:10:19.397421Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007172/publication.mdobserved 32c8dea759745bc59101a903218eef50...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T09:10:19.382934Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007172/publication.txtobserved fec2e19a07055f6e629d62c888291b2b...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. |
|---|