OpenTechnical

OT-2026-000076181

Publication integrity record

Foam pad vacuum gripper, two zone face, per zone isolation, single stage ejector, pressure sensor per zone, 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-2026-000076181) never changes.

Identity and time

Publication numberOT-2026-000076181 · never reused
Internal UUID01a0ae94-6a6f-7dfe-bf03-92aa66fd622c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:57.307071Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076181
StatusPUBLIC

Content hashes

Canonical textce90543c6b877e998114af98ca3802e782ec88f395c8314167e0e35bee936a1f
Markdown33531f1742cf9331c1b0d10fb6eb9b46d4eb8c58232d99f04040845de195b256
PDF
Publication pagea155773e724808dcb416dd353c3825a3e41631e872e10c718fcd6ccb29d6f0aa
Manifest4f813778f0ada95848a5f2a3833494a7598ef640756181f4d440c39db46c72de

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
SignatureF8ueRcF+sXzGZfio8mqA+fQcPbLz+t2MqDB/BwhIBzHv6HlgEGwjepMz051sPjuqxhx2YUD8ts+g7EaNYmdRBA==
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

2026-09-17T10:11:28.269962ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076181
observed a155773e724808dcb416dd353c3825a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:28.252913ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076181/manifest.json
observed 4f813778f0ada95848a5f2a3833494a7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:28.233779ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076181/publication.md
observed 33531f1742cf9331c1b0d10fb6eb9b46...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:28.215314ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076181/publication.txt
observed ce90543c6b877e998114af98ca3802e7...
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.