OpenTechnical

OT-2026-000073487

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, pump fed, supply line pressure sensor, pulsed blow-off before set-down

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-2026-000073487) never changes.

Identity and time

Publication numberOT-2026-000073487 · never reused
Internal UUID01a0ae92-efb9-7ce6-ab1f-cc31839fe7bd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:20.363042Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073487
StatusPUBLIC

Content hashes

Canonical texte58c4f94c50c5d02894177fc2f0adfcd705425c16cb2491db2f551d51afc95ab
Markdown82ad9d821aa5714786c0edfa159474dd972b591b3cd19de4d91be3b0028ceafa
PDF
Publication pagef04ce5dbc6470c4a484a976549d24a40dcc99ad1f4df350ad580a8dd9bec9c9d
Manifestb23b5d03d0086208f1729fb1a2882ff04c349f031148f12a5f1f60d19d8e7ea4

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
SignatureZBWzpUe7pbyYV0yjCHmxsVmI0+mZDY9faARzTW9lnmgPad/jo2z7AhlQTAGHoi3Ltujm56uAhwWua6GdvImfBw==
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

2026-09-17T10:21:39.426974ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073487
observed f04ce5dbc6470c4a484a976549d24a40...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:39.409006ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073487/manifest.json
observed b23b5d03d0086208f1729fb1a2882ff0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:39.391863ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073487/publication.md
observed 82ad9d821aa5714786c0edfa159474dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:39.375094ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073487/publication.txt
observed e58c4f94c50c5d02894177fc2f0adfcd...
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.