OpenTechnical

OT-2026-000080198

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, supply line pressure sensor, vented 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-2026-000080198) never changes.

Identity and time

Publication numberOT-2026-000080198 · never reused
Internal UUID01a0ae96-7e76-7a49-b1d7-6e08617b3df1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:13.512436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080198
StatusPUBLIC

Content hashes

Canonical text5d129970d8fd2efab36eb50231b2181654cf90eab97f8fa27ffc82355d17897c
Markdown2b4089a5dcd9dd96926befba0d9d3eaeb3172b19bda75873e28e4ff250de9bf1
PDF
Publication page09a6bf0bef538f309a3c100b9b9922db9464221af53b3ea1062bf1c04963ee7d
Manifestd6977e2451eef410c205cd3b1ae729f0c9c5a0337fa1294cdd0dfb303d085467

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
Signature9JI4+JFs9Ol4oWBo/r2/kgFj3zLnqNoKfHATbyR3W2jI6OZnQBEj3NS8+8tLzNrVpDhMPOYQs6eEhZ9PqAsLDg==
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

2026-09-17T10:02:38.591949ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080198
observed 09a6bf0bef538f309a3c100b9b9922db...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:38.573606ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080198/manifest.json
observed d6977e2451eef410c205cd3b1ae729f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:38.555828ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080198/publication.md
observed 2b4089a5dcd9dd96926befba0d9d3eae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:38.536394ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080198/publication.txt
observed 5d129970d8fd2efab36eb50231b21816...
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.