OT-2026-000053513
Publication integrity record
Single cup vacuum gripper, common isolation valve, 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-2026-000053513) never changes.
Identity and time
| Publication number | OT-2026-000053513 · never reused |
|---|---|
| Internal UUID | 01a0ae85-0a92-7c8f-9604-e49930fb0129 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:39:09.762364Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000053513 |
| Status | PUBLIC |
Content hashes
| Canonical text | 31bfe5ffbf4694be9ff8f4eccecf22be820545ff96145deb09759886f71b20c8 |
|---|---|
| Markdown | d926b79bbd14b47768214fb50ccd37abb43e9a507bc7a8b632d52d984b2a5a4e |
| Publication page | 7ba770a2b8d5b740882cb6425ee2e8582e808680a79aeb592ce9d7643adf107b |
| Manifest | 5ef3a5ece132ab17bcefe88db3f466baef6709ab1a6fe9eb68226f3affef3c9d |
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 | 0U2fJ5cnxKFqkEspSImVNcgkChr/eAPAigH8YSB08ibLrVQSY1MfTIMOA1R2D0kbWvNINQdXqfyguCKHaUo3CQ== |
| 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
| 2026-09-17T10:55:21.564862Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000053513observed 7ba770a2b8d5b740882cb6425ee2e858...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:55:21.546859Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000053513/manifest.jsonobserved 5ef3a5ece132ab17bcefe88db3f466ba...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:55:21.527848Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000053513/publication.mdobserved d926b79bbd14b47768214fb50ccd37ab...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:55:21.510178Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000053513/publication.txtobserved 31bfe5ffbf4694be9ff8f4eccecf22be...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. |
|---|