OpenTechnical

OT-2026-000069520

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, sustained blow-off 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-2026-000069520) never changes.

Identity and time

Publication numberOT-2026-000069520 · never reused
Internal UUID01a0ae90-b52b-7bff-a25d-019f0dd69f99 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:54.310022Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069520
StatusPUBLIC

Content hashes

Canonical texta393b0945046c135ff8ec15bba5bf6552587e8040ac1d1b4e4fd2d808e65b18d
Markdown030550a8b9abd20ceae23895dbfd77484a5f5d20cbcea9da81fadfe3eb1be032
PDF
Publication page82798f59dfc3afba6e94a392618165ba1348671e79ee1987c7bcb18a78f0d541
Manifest84929fb6d48523f96a5bbfe9d9efd426158f4ad4ef73354e32c7208c3674f1e6

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
SignatureulibfC2LUQGiJsQzFyTbb0wAAYEkFb+Xfib6e/a/KR/A2SJBuuAEc9j+CnJjfQBCAXAXcXAke47PChNWPJ0qBA==
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

2026-09-17T10:30:36.719936ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069520
observed 82798f59dfc3afba6e94a392618165ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:36.702013ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069520/manifest.json
observed 84929fb6d48523f96a5bbfe9d9efd426...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:36.683934ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069520/publication.md
observed 030550a8b9abd20ceae23895dbfd7748...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:36.667299ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069520/publication.txt
observed a393b0945046c135ff8ec15bba5bf655...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:09.814592ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069520
observed 82798f59dfc3afba6e94a392618165ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:09.796589ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069520/manifest.json
observed 84929fb6d48523f96a5bbfe9d9efd426...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:09.776388ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069520/publication.md
observed 030550a8b9abd20ceae23895dbfd7748...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:09.756769ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069520/publication.txt
observed a393b0945046c135ff8ec15bba5bf655...
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.