OT-2026-000020947
Publication integrity record
Foam pad vacuum gripper, three zone face, per zone isolation, three stage ejector, pulsed blow-off 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-2026-000020947) never changes.
Identity and time
| Publication number | OT-2026-000020947 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-65e4-75b4-8d9d-0ebcb10fb820 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:31.316024Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000020947 |
| Status | PUBLIC |
Content hashes
| Canonical text | 2f02b484ae0fb5c2e38c0b25579108b638fffe595f2e49fe6d75ca708f868869 |
|---|---|
| Markdown | c834af736dfc2268f16299e53b7585d2088683521bbe27ff1207c28fdddcb9c7 |
| Publication page | 033c7c329d29994f5556f9ecc668e72e3d4b2b43d73f8074eb62be1e0622472e |
| Manifest | 487e2d1845fa3801dce8b9cd13118f7527aa556d234893c3ea4cc7db272e6b12 |
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 | DT/p/ctcg1k452cm3UQtsBsCDPd6FndHY9odabeDBcDSoaYGUD9HmJtiSr7QXhFZDiSOFoNFmQm6m4Z2e3bCAA== |
| 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
| 2026-09-17T11:56:05.115041Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020947observed 033c7c329d29994f5556f9ecc668e72e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:56:05.098056Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020947/manifest.jsonobserved 487e2d1845fa3801dce8b9cd13118f75...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:56:05.079621Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020947/publication.mdobserved c834af736dfc2268f16299e53b7585d2...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:56:05.063112Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020947/publication.txtobserved 2f02b484ae0fb5c2e38c0b25579108b6...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. |
|---|