OpenTechnical

OT-2026-000076002

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, single stage ejector, 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-2026-000076002) never changes.

Identity and time

Publication numberOT-2026-000076002 · never reused
Internal UUID01a0ae94-2a00-7c00-becc-a0f8815d8f6f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:40.814795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076002
StatusPUBLIC

Content hashes

Canonical text1dbd80fb9942113ba14d9f2e2080108f0554120542e4901cd76068123fccfcaf
Markdown472cbe738d4e92c9a459f9e8d9ca7fc8cb8451646c9f6ea49dc159ecfd8696cb
PDF
Publication page7c4abd9e9390627d2b96486b354a7cbf128fed5ed696ccaaa7360d44afed12f6
Manifestc238c61732e04902416df4599e86b253dec96b2f9384ea19ed017d06b3fe8632

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
SignatureuknzI4QL0Pv7xIeGZ7R4fL50FGcM4PyIV7uhOikdQ2sbU/6ALnqYsDNvZkRIgRQUBcDLc0t1N6rDetERSBeECQ==
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

2026-09-17T10:20:15.242946ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076002
observed 7c4abd9e9390627d2b96486b354a7cbf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:15.216684ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076002/manifest.json
observed c238c61732e04902416df4599e86b253...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:15.197278ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076002/publication.md
observed 472cbe738d4e92c9a459f9e8d9ca7fc8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:15.172939ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076002/publication.txt
observed 1dbd80fb9942113ba14d9f2e2080108f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:05.697842ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076002
observed 7c4abd9e9390627d2b96486b354a7cbf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:05.552337ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076002/manifest.json
observed c238c61732e04902416df4599e86b253...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:05.534983ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076002/publication.md
observed 472cbe738d4e92c9a459f9e8d9ca7fc8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:05.507353ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076002/publication.txt
observed 1dbd80fb9942113ba14d9f2e2080108f...
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.