OpenTechnical

OT-2026-000057388

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, sustained blow-off after 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-2026-000057388) never changes.

Identity and time

Publication numberOT-2026-000057388 · never reused
Internal UUID01a0ae87-d5bd-7c09-b596-d622f26e7b54 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:12.973410Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057388
StatusPUBLIC

Content hashes

Canonical texta496aaeda82b57c883c56b6faaff8db3e5a9e2bac7c504ccbdbe7abb5e6ddb92
Markdownf5b80fa45f748a03e3f7f42fec78f9ae2294e76ce1f054894a3ba20c671867f9
PDF
Publication page8db5db524d75d5b2be20eb31f8f32a8bbaa4fc27149408e065563e3a404ee23b
Manifeste781bf7c85d1350afd7cf16d4f2aa05c54b443e8b36a05fb74c95da90609bf52

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignatureSJcTh4yZAZ5hqWqxKHORMU8YlpD9TqwcgBQKwGY2bN5FVmzRihkFZqLCcDN2osoPf1NwOxF8h4ZGVSvyicyoDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:50:31.218837ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057388
observed 8db5db524d75d5b2be20eb31f8f32a8b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:31.198479ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057388/manifest.json
observed e781bf7c85d1350afd7cf16d4f2aa05c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:31.180735ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057388/publication.md
observed f5b80fa45f748a03e3f7f42fec78f9ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:31.161882ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057388/publication.txt
observed a496aaeda82b57c883c56b6faaff8db3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:40.335723ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057388
observed 8db5db524d75d5b2be20eb31f8f32a8b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:40.319057ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057388/manifest.json
observed e781bf7c85d1350afd7cf16d4f2aa05c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:40.302358ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057388/publication.md
observed f5b80fa45f748a03e3f7f42fec78f9ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:40.285374ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057388/publication.txt
observed a496aaeda82b57c883c56b6faaff8db3...
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 archivePending 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 packagePending Custody packages are produced weekly.