OpenTechnical

OT-2026-000067677

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, three 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-2026-000067677) never changes.

Identity and time

Publication numberOT-2026-000067677 · never reused
Internal UUID01a0ae8f-6bdb-7f43-a46b-cf364f2c748c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:29.998864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067677
StatusPUBLIC

Content hashes

Canonical text1bc2323a4e9d9e70e70d1991f07cffb932fee7686a94d349cc2bea089a5df4ca
Markdown9c97161c159dd2a0a8ad6d17b742b8b4f7180e9ec0491464b5e8310fe1b1bf0e
PDF
Publication page67cfe5159d854eef9a622cca9dd3ec1a2adb699480b4cf45e31ab90c3891db81
Manifest1bc5e4100ab741ba3b5a0f203e12aa7ba5d62917f60072abb85d141a0631fd72

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
Signature6bC8ZkHniVYjpnLTNfDliCKLwqLy2tG0/PYMBH/DmeRYeq1+31NFhWU7BbYjOmna7ogtSjFMgoyMZabM6Vz5DA==
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

2026-09-17T10:32:00.829264ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067677
observed 67cfe5159d854eef9a622cca9dd3ec1a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:00.810565ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067677/manifest.json
observed 1bc5e4100ab741ba3b5a0f203e12aa7b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:00.792447ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067677/publication.md
observed 9c97161c159dd2a0a8ad6d17b742b8b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:00.774965ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067677/publication.txt
observed 1bc2323a4e9d9e70e70d1991f07cffb9...
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.