OpenTechnical

OT-2026-000080942

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, single stage ejector, manifold 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-2026-000080942) never changes.

Identity and time

Publication numberOT-2026-000080942 · never reused
Internal UUID01a0ae96-b975-77ff-b7d5-b43f313c3aeb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:28.739380Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080942
StatusPUBLIC

Content hashes

Canonical text45308241113faa479ce30679af8af11940ffdbb60891d89a9230e86e0c0b15dd
Markdown1ed949bc46dbd3fcbffb447a804ad1394577c12719ef18c75a761123c9a864c4
PDF
Publication page4c00dae735dbee6b3541bf7083151f1eb61c61da5e51d4270eeaf03f475cfdcd
Manifest41e2a8187992a8030baec3cf8eb87d5f9b6ecc1b03d68155481241e1cf1a4800

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
SignatureugXudXJUs9l6lhEZ2f3is8qO+XVjqbKUPGhQNH1y2Y+KxpIDwkNLFj1rqYEK8CnMfvqtzg/0a2789zEu54oDBg==
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

2026-09-17T10:02:13.042791ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080942
observed 4c00dae735dbee6b3541bf7083151f1e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:13.025285ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080942/manifest.json
observed 41e2a8187992a8030baec3cf8eb87d5f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:13.005939ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080942/publication.md
observed 1ed949bc46dbd3fcbffb447a804ad139...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:12.987294ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080942/publication.txt
observed 45308241113faa479ce30679af8af119...
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.