OT-2026-000015861
Publication integrity record
Two cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, supply line pressure sensor, pulsed 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-2026-000015861) never changes.
Identity and time
| Publication number | OT-2026-000015861 · never reused |
|---|---|
| Internal UUID | 01a0ae6e-0c4c-7482-a0a4-b65b29fe51c5 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:14:02.846253Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000015861 |
| Status | PUBLIC |
Content hashes
| Canonical text | a7041b448bc05305e1e085a258463759d73b6224a40c19632a4554c05b7ec704 |
|---|---|
| Markdown | 5af99f9189ba7962e8d64b49cf4d5e438ad7ba70c57cdfc9b1132ee54f226c33 |
| Publication page | 13ce1bb858a2d7513c3e354268edf6c9b26a4551efcc798d2163afb3632477db |
| Manifest | e795eb18e82876c202a68d429914c178e3c5b8e76a8c228924c22fd0e694710c |
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 | OC1xOXijzMhfViPknJglvZ/Uk0iEYHxC/jPK8nfsDjWgEsZN+KdK3XZpdmTYwxJ3me+1AZXQOLpdlu72KrMLDg== |
| 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
| 2026-09-17T12:05:18.213023Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000015861observed 13ce1bb858a2d7513c3e354268edf6c9...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T12:05:18.193413Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000015861/manifest.jsonobserved e795eb18e82876c202a68d429914c178...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:05:18.172740Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000015861/publication.mdobserved 5af99f9189ba7962e8d64b49cf4d5e43...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:05:18.153717Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000015861/publication.txtobserved a7041b448bc05305e1e085a258463759...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
| OT-CUSTODY-2026-W38 | OpenTechnical-Custody-2026-W38.tar.zstf2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent |
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