OpenTechnical

OT-2026-000067278

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, pump fed, 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-2026-000067278) never changes.

Identity and time

Publication numberOT-2026-000067278 · never reused
Internal UUID01a0ae8f-6bd6-737d-92b7-8f805d076bce · 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-2026-000067278
StatusPUBLIC

Content hashes

Canonical textc00bb7decc1080e935cfdb9792aef9e972b73643059619118b43229d47246002
Markdown1574906db4bde288968a0b033acda00c7c40575b9214f3a1237fe192d2b03c3f
PDF
Publication paged1755dbc2da1312b6b961d35b221d111e6f9a0ceb0f5d630f5052db3e863d1ba
Manifestf45e9ae8f9454cd1087c6016f1c034b6085f562e82c860c7ca40100c71748178

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
Signature8a4s84j4RoIWo0xUe19c85DqnQ3cdoIUXCsECx9Z03123TC7TrbdEVKRU4HdsAwdE4MJADhPCoTsAui314/ECw==
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

2026-09-17T10:30:57.636811ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067278
observed d1755dbc2da1312b6b961d35b221d111...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:57.617844ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067278/manifest.json
observed f45e9ae8f9454cd1087c6016f1c034b6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:57.599028ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067278/publication.md
observed 1574906db4bde288968a0b033acda00c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:57.579855ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067278/publication.txt
observed c00bb7decc1080e935cfdb9792aef9e9...
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.