OT-2026-000028321
Publication integrity record
Four cup vacuum gripper, four outlet manifold, two stage ejector, manifold pressure sensor, 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-2026-000028321) never changes.
Identity and time
| Publication number | OT-2026-000028321 · never reused |
|---|---|
| Internal UUID | 01a0ae72-e2f5-7a2a-a652-955a21432ec3 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:19.949572Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000028321 |
| Status | PUBLIC |
Content hashes
| Canonical text | 6ef70f23b13f9bbc4b4dd7a7f6d006462121389141a0a2e8d475ed60d90d4131 |
|---|---|
| Markdown | a4e5d0ce8a1cf543754718307357406f8448bb2df1ac7edb55c41f8fdbc2876d |
| Publication page | 27923feddd479f25a25389cf6675ba3cba6fc0a785415a176d1847e507cd2881 |
| Manifest | 4fe364ec21451da763c20690f45901e1acc8e4e6080d0ef6c1bd09a3e7ac0ce3 |
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 | YEpkUhp3Mn24FyPWofK5YwY2TmIZVriq10osZjO9l/zgtaVKAmgiQq0ybkTJI3EuHMfsKrnoSVTvEL8mHadVDw== |
| 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
| 2026-09-17T11:40:19.241557Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028321observed 27923feddd479f25a25389cf6675ba3c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:40:19.220722Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028321/manifest.jsonobserved 4fe364ec21451da763c20690f45901e1...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:19.203574Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028321/publication.mdobserved a4e5d0ce8a1cf543754718307357406f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:19.184860Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028321/publication.txtobserved 6ef70f23b13f9bbc4b4dd7a7f6d00646...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. |
|---|