OpenTechnical

OT-2026-000084195

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, pump fed, sustained 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-2026-000084195) never changes.

Identity and time

Publication numberOT-2026-000084195 · never reused
Internal UUID01a0ae98-5b60-77b7-a881-b8697c9408f8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:15.619216Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084195
StatusPUBLIC

Content hashes

Canonical textf1686204468fc60a62ff25c20c1822c2dcdb455be285d57da8c446c39cebbcad
Markdown9595816abec03af4551dc39907d8265846affe46e9f854b11e21fa39019b8013
PDF
Publication page4c694985a699373b81f6316139ffd21fac65fdfe5ef61cff9504f090909efb5a
Manifest88a7f34eeea2daae7ac122ed9dea6d6f080320eeb1a8e35df4f320e12c2569b2

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
SignatureROvE8/DDqFjjil3un0Yktgs8Hn4NS23ePDlgCdsPVUVm7i4HIUM93LiLSH040UlS4hR+QkwO2EfuFg5fChzlBg==
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

2026-09-17T09:55:58.535145ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084195
observed 4c694985a699373b81f6316139ffd21f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:58.515505ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084195/manifest.json
observed 88a7f34eeea2daae7ac122ed9dea6d6f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:58.498027ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084195/publication.md
observed 9595816abec03af4551dc39907d82658...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:58.479399ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084195/publication.txt
observed f1686204468fc60a62ff25c20c1822c2...
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.