OpenTechnical

OT-2026-000084492

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, pump fed, sustained 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-2026-000084492) never changes.

Identity and time

Publication numberOT-2026-000084492 · never reused
Internal UUID01a0ae98-e259-720a-b97e-ed84476a02fe · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:50.163111Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084492
StatusPUBLIC

Content hashes

Canonical textd4d0af58df323e818065668bbca056d723a243893b5d5e5dcce48600a71d38e2
Markdown65105770c6802d71403f1c925aab7219b2a60c72547ad9918a57f776cbb26189
PDF
Publication page2ffbd2b2266aade612f535333d9e6507c9b5e5bf46140f7a3bb0ac2188766f08
Manifest163d907a343e63ff03aa3424c46135552d0fc0e342289d0fec4c68c1240af701

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
SignatureEolkpnGakl3sdCCK59E/Je3l6R0hG4e9BqlAkuA2Icq9SEKWAyGz8bxRBzw6LKXV/oncHZc078YElEnvhmmlBQ==
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

2026-09-17T09:55:21.750215ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084492
observed 2ffbd2b2266aade612f535333d9e6507...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:21.731059ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084492/manifest.json
observed 163d907a343e63ff03aa3424c4613555...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:21.711966ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084492/publication.md
observed 65105770c6802d71403f1c925aab7219...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:21.595383ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084492/publication.txt
observed d4d0af58df323e818065668bbca056d7...
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.