OpenTechnical

OT-2026-000076340

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, supply line pressure sensor, vented before 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-2026-000076340) never changes.

Identity and time

Publication numberOT-2026-000076340 · never reused
Internal UUID01a0ae94-6a70-791c-9cec-6f8d4d2a66bd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:57.307071Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076340
StatusPUBLIC

Content hashes

Canonical textf70031c954c3087faf65365c28ce71bd38ebbc48c01eee10cefeae95730be016
Markdown84dc68b8ae39f54729002ecfd186afd345f23faf9e42a09d90577710a0366265
PDF
Publication page8e90454227fd095763303fd8247efde6ee7ea269ce0f340eb62ae4dbb1ba0dba
Manifest62a88fda23943671de0f1518a02ee4a6e3eb03dce052ec83238daf776c46b44b

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
SignatureYcGxx7wLCvE64H01fRsxat9r6L8EzWf2PF+wALC3t64b7KyUSujCsOFK0rh9OXqNU6iRHcJF3KTYEybBARRoBA==
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

2026-09-17T10:12:11.916604ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076340
observed 8e90454227fd095763303fd8247efde6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:11.898120ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076340/manifest.json
observed 62a88fda23943671de0f1518a02ee4a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:11.879928ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076340/publication.md
observed 84dc68b8ae39f54729002ecfd186afd3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:11.861685ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076340/publication.txt
observed f70031c954c3087faf65365c28ce71bd...
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.