OpenTechnical

OT-2026-000077979

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, three stage ejector, pressure sensor per zone, pulsed blow-off 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-2026-000077979) never changes.

Identity and time

Publication numberOT-2026-000077979 · never reused
Internal UUID01a0ae95-2ed1-72aa-93ab-7c09e13b2440 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:47.703064Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077979
StatusPUBLIC

Content hashes

Canonical textf703545227e935280b094fd053826caba57dfdb9f4b76522dad9920ea443a575
Markdown7e12e67d17b9675fff8aec969a4188afe6625bbf69b440b2eea4cd35156adbee
PDF
Publication pagebf20eebb990345bb0d9ebff002153cacc3be74c46fd647e88a48c19fe5af628e
Manifest0df29131c744343d51f57763b1a8f8c7633bdc192e45f6d904e82c55ea05d4fe

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
Signature52wod0ZowJmzZXm8NGsnHWDO/8mq3ARgNVjEuRYIUxmCDa6l0EXdhrnGrF1XatShPhwCw34v+PLJ8j1rIazvAQ==
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

2026-09-17T10:10:23.804066ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077979
observed bf20eebb990345bb0d9ebff002153cac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:23.783549ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077979/manifest.json
observed 0df29131c744343d51f57763b1a8f8c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:23.764019ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077979/publication.md
observed 7e12e67d17b9675fff8aec969a4188af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:23.746051ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077979/publication.txt
observed f703545227e935280b094fd053826cab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:15.876884ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077979
observed bf20eebb990345bb0d9ebff002153cac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:15.859805ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077979/manifest.json
observed 0df29131c744343d51f57763b1a8f8c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:15.840434ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077979/publication.md
observed 7e12e67d17b9675fff8aec969a4188af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:15.820174ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077979/publication.txt
observed f703545227e935280b094fd053826cab...
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.