OpenTechnical

OT-2026-000080356

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum 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-2026-000080356) never changes.

Identity and time

Publication numberOT-2026-000080356 · never reused
Internal UUID01a0ae96-7e77-76ea-8f01-93bc4d604254 · 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-2026-000080356
StatusPUBLIC

Content hashes

Canonical text85a4c9ff3bc5873942f534ab86dc17ebe356814f4e38d0945dabef368c568f7f
Markdown1f280466dc3c16a544aa73b3db3c9767a54e492c95cee1d200d84a352abd6c93
PDF
Publication page04eec2d5e8f9a2381c321cd930d682f9d1ed5a9d9a6c0881f3cd2c8b046d0f71
Manifestb1f74a61b49b9dfe008f07a217d0f1b5f8553577d57c5ae8f1abfc41e18525c4

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
Signaturew4BtkeGuAi4VEnGYJOR6J4fm2cpoZNjyyi/BDSkxG50pt0J+9b2opY0Y3uXNlF8y/TnNO+cEDZKUSA7N/eAfDQ==
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

2026-09-17T10:02:50.423225ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080356
observed 04eec2d5e8f9a2381c321cd930d682f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:50.404903ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080356/manifest.json
observed b1f74a61b49b9dfe008f07a217d0f1b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:50.388093ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080356/publication.md
observed 1f280466dc3c16a544aa73b3db3c9767...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:50.369209ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080356/publication.txt
observed 85a4c9ff3bc5873942f534ab86dc17eb...
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.