OpenTechnical

OT-2026-000076477

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, two 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-2026-000076477) never changes.

Identity and time

Publication numberOT-2026-000076477 · never reused
Internal UUID01a0ae94-6a71-7f88-b0ac-defe8bf6f1f6 · 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-2026-000076477
StatusPUBLIC

Content hashes

Canonical text85165251cdf84d3e839b3da34564198523374d7549e5433339f09d19393b6fe4
Markdown9904ac83c65cc3048dfb2936651e15df149546d748b11d8a496b4240cfa56793
PDF
Publication page7faa6dd48545411d2e36f7f56939195f4c7b59e89d9f914020b8678d0ba96cfa
Manifestb4e4b0b660c816cb6979a8ceb7e3cee8b77c7a94284913ab834756cba37956df

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
Signatureuh0XWDRq1170nVQiocQ2jMjdiX5jt3Eijh756ELcyn1w7JsfVuPuM31dsjLz2yPcWCkXh/dRqCpvowHf0uhIAA==
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

2026-09-17T10:12:41.033579ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076477
observed 7faa6dd48545411d2e36f7f56939195f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:41.014487ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076477/manifest.json
observed b4e4b0b660c816cb6979a8ceb7e3cee8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:40.995922ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076477/publication.md
observed 9904ac83c65cc3048dfb2936651e15df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:40.978441ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076477/publication.txt
observed 85165251cdf84d3e839b3da345641985...
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.