OpenTechnical

OT-2026-000069542

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, sustained blow-off 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-2026-000069542) never changes.

Identity and time

Publication numberOT-2026-000069542 · never reused
Internal UUID01a0ae90-b52b-7ab5-b944-76020a7a1295 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:54.310022Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069542
StatusPUBLIC

Content hashes

Canonical text3bfe591fd43e9b194351014a577790d27ddb7410f0aab4f59705b90c01d7cec5
Markdown39b93c1444c4bf4d31cf7218b454a08c951c4175eac7eed181e4fa34cbbbc1c1
PDF
Publication page8183c3a247e962430e25984f155008ce45f2c04a8fc947ca7ba54549ac88d862
Manifest46fdd3b1a205cd30a6de8829062f1597de77ddf29954001e733f314635e1587f

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
SignatureFr/QvQ3zOF/LnerLrlHoWObkQPq0pcGPw/m2NSgJ+RRFZOqMZT57zU8lcD/1neuNhrIr2l7uJ3mhL3HtUdB5DA==
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

2026-09-17T10:30:39.131481ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069542
observed 8183c3a247e962430e25984f155008ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:39.111265ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069542/manifest.json
observed 46fdd3b1a205cd30a6de8829062f1597...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:39.092852ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069542/publication.md
observed 39b93c1444c4bf4d31cf7218b454a08c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:39.074033ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069542/publication.txt
observed 3bfe591fd43e9b194351014a577790d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:11.370700ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069542
observed 8183c3a247e962430e25984f155008ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:11.353998ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069542/manifest.json
observed 46fdd3b1a205cd30a6de8829062f1597...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:11.333440ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069542/publication.md
observed 39b93c1444c4bf4d31cf7218b454a08c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:11.312930ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069542/publication.txt
observed 3bfe591fd43e9b194351014a577790d2...
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.