OT-2026-000021972
Publication integrity record
Two bellows cup vacuum gripper, two outlet manifold, two stage ejector, manifold pressure sensor, 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-2026-000021972) never changes.
Identity and time
| Publication number | OT-2026-000021972 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-bb5b-7779-b422-fd998f2cc158 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:53.201585Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000021972 |
| Status | PUBLIC |
Content hashes
| Canonical text | 6debd9ab2f0af92dbf45d09ba1c1b03331d6533636c108cd982e9df30009c7f8 |
|---|---|
| Markdown | 0cbc39e3ba65672a6833c7a492a4db04f92dffef96dad8ac99104e96f84f6eb8 |
| Publication page | bf98900b629f4d1bca6bcf9227a50bc88c3a9567665a0a02fb0e1b73b1c63100 |
| Manifest | c7f50392ab9650d36dfe2ccbdf475c15978b11bc73b3910348423ba3dd82f237 |
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 | pE7HOpi46lW3ZP8lXVyaTDCPnZebIsjviRxQJzDPRoqx4Ds5xOmI2SiNKwOGL+G8FOOnC9uJ7CE79rdJEZo1DA== |
| 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
| 2026-09-17T11:54:38.622221Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021972observed bf98900b629f4d1bca6bcf9227a50bc8...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:54:38.605499Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021972/manifest.jsonobserved c7f50392ab9650d36dfe2ccbdf475c15...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:38.587280Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021972/publication.mdobserved 0cbc39e3ba65672a6833c7a492a4db04...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:38.567615Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021972/publication.txtobserved 6debd9ab2f0af92dbf45d09ba1c1b033...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. |
|---|