OT-2026-000100431
Publication integrity record
Three bellows cup vacuum gripper, three zone face, common isolation valve, plant vacuum fed, pressure sensor per zone, sustained 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-2026-000100431) never changes.
Identity and time
| Publication number | OT-2026-000100431 · never reused |
|---|---|
| Internal UUID | 01a0aea3-66ef-7b45-8b2b-ea6b1a246cd3 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T09:12:19.463543Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000100431 |
| Status | PUBLIC |
Content hashes
| Canonical text | d7efc73b8ceea786dedeaf11a3154ead0a263c458f213e51eb0a57286371c2a8 |
|---|---|
| Markdown | 7d2215716673716dbbf5e6a5f76d87edee1cbb7813e5237ac9fbfcfc6b1b77c0 |
| Publication page | fa632225c1cf0125c216c42476e28852da3f4718db8feb3042cfbd77a60f4e15 |
| Manifest | e64e77065dc6e352ff7c118f60b60ec344bb7055ee62583b69bbea41ff510e54 |
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 | bvOeO8kkxJy96fPEHJWUhr8E8hMx3xgIC1pRU1GAqOKNjIVjNhZ3rBqqLsDz9tAMWEpTYjGznTsT0N4sZOxgCA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T09:27:04Z batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof root 095d30148a2ef87d42d7818ebe7543f9... |
|---|
Independent retrieval
| 2026-09-17T09:27:10.399464Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000100431observed fa632225c1cf0125c216c42476e28852...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T09:27:10.382065Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000100431/manifest.jsonobserved e64e77065dc6e352ff7c118f60b60ec3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:27:10.363546Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000100431/publication.mdobserved 7d2215716673716dbbf5e6a5f76d87ed...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:27:10.346810Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000100431/publication.txtobserved d7efc73b8ceea786dedeaf11a3154ead...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. |
|---|