OT-2026-000055457
Publication integrity record
Single cup vacuum gripper, plant vacuum fed, supply line pressure sensor, 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-2026-000055457) never changes.
Identity and time
| Publication number | OT-2026-000055457 · never reused |
|---|---|
| Internal UUID | 01a0ae86-a102-7544-a6f2-e37eb264e44c · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:40:53.783868Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000055457 |
| Status | PUBLIC |
Content hashes
| Canonical text | d635ebff40eeb1ec18bed76281a9fa22cdca38faf447ecd7b4c543ccab2ea2b8 |
|---|---|
| Markdown | 0e474cf2dcf0846c750158a57224533a98b941b6907f122d6ac49762800fe0a9 |
| Publication page | ba0e13e1dd230cff362ba2f6ca72803d74299c6b42892d29e9657e472cdf6225 |
| Manifest | 2a51b69a74789644d0a30540e16de3f561737fe3a1d60bef205d3cfdae3d5b3c |
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 | cBPhMa6ehzHEogySXmG7ghY8OC5K9VBw8ZtDDN+GiFxU4gsBHM4Lx8G2an3KnTphdzKmGnujzig2hFsJTSy4CA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:47:04Z batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof root 954df3475fbcfbe27467725cfb2ec919... |
|---|---|
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
Independent retrieval
| 2026-09-17T10:52:06.813298Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000055457observed ba0e13e1dd230cff362ba2f6ca72803d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:52:06.794700Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000055457/manifest.jsonobserved 2a51b69a74789644d0a30540e16de3f5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:52:06.763971Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000055457/publication.mdobserved 0e474cf2dcf0846c750158a57224533a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:52:06.744258Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000055457/publication.txtobserved d635ebff40eeb1ec18bed76281a9fa22...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. |
|---|