OT-2026-000051305
Publication integrity record
Single cup vacuum gripper, common isolation valve, plant vacuum fed, vented 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-2026-000051305) never changes.
Identity and time
| Publication number | OT-2026-000051305 · never reused |
|---|---|
| Internal UUID | 01a0ae83-2740-758d-a7e5-6fe954c2a33b · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:37:05.998905Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000051305 |
| Status | PUBLIC |
Content hashes
| Canonical text | 2ac3b502425d293c9271649f35c69e52c5d669cfc8bddb990ae3ec2c088ecb26 |
|---|---|
| Markdown | a39f5a84e2b4f3c8be7f47c33a1d3e205c052a813e992c8e3125441d14cf05d6 |
| Publication page | 80fa7a6d38e55b3d290d457ad7ae35fcbc3b24e377f206f61dc758a248c23a60 |
| Manifest | fc67679a6a18ec2fdf53ba39f2197ce280e4bd259d0868329b3a0bcd0752c506 |
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 | VhHyDt5ufFoRYWYmE9+G8LWj0SU9A87cXso3+a/MwsG5oLCf3iYhVipIQ+O/GOGJyaLNTZACbfLcUfhAJkc+Cw== |
| 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
| 2026-09-17T10:59:07.213946Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000051305observed 80fa7a6d38e55b3d290d457ad7ae35fc...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:59:07.194310Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000051305/manifest.jsonobserved fc67679a6a18ec2fdf53ba39f2197ce2...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:59:07.170428Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000051305/publication.mdobserved a39f5a84e2b4f3c8be7f47c33a1d3e20...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:59:07.138182Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000051305/publication.txtobserved 2ac3b502425d293c9271649f35c69e52...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. |
|---|