OpenTechnical

OT-2026-000077900

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, three stage ejector, vented after set-down

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-2026-000077900) never changes.

Identity and time

Publication numberOT-2026-000077900 · never reused
Internal UUID01a0ae95-2ed1-7653-bbf3-a37c83f70152 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:47.703064Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077900
StatusPUBLIC

Content hashes

Canonical textb3ca68786044573e8eab1cb0bfd90520fa576f623d0c2789909b16a7966d9529
Markdown26cddd313260dfd5076db7b5c7a85ee320f56d1d5a3c9b55d86b1fa4f3741218
PDF
Publication page1f0d1b39e0514d16bc3abc6f6014216f8f216d429f7cee15d8b2459e9296c263
Manifest561f9478c640020b6a04020ed2f9b20a2ed75a00d87495f2b62eae2287c4a9b3

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
SignatureRcbR6D3NoGT2TXr9rPLDCDMYiN0zLfs2Ik/Uvbq+XZtH9Ay7G1dR7eWOPvWdniRWWMWS5gDazxN0n7W9dKIFAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:07:38.901364ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077900
observed 1f0d1b39e0514d16bc3abc6f6014216f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:38.882462ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077900/manifest.json
observed 561f9478c640020b6a04020ed2f9b20a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:38.862110ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077900/publication.md
observed 26cddd313260dfd5076db7b5c7a85ee3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:38.842901ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077900/publication.txt
observed b3ca68786044573e8eab1cb0bfd90520...
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.