OpenTechnical

OT-2026-000071139

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, plant vacuum fed, supply line pressure sensor, 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-2026-000071139) never changes.

Identity and time

Publication numberOT-2026-000071139 · never reused
Internal UUID01a0ae91-e0eb-7603-8f53-792393b164f9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:11.039722Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071139
StatusPUBLIC

Content hashes

Canonical text485c6f470ef057d7765b04e26f6f011d77c3bc1aa0d8379f7138c51b6d6fdee3
Markdown7b51d5bb61798d4e502e9bdade85026ef2f96f3e22563362960f4bdb0288ba6a
PDF
Publication page62e88954cd72778ae6643f21cfa6ec6df54969607e8dc79ee3aeb3e74da153f3
Manifestb79e430dc8ae9e53375ed69eb30b3fd5837e06311ed1e3e9cd1cfa3ac83d0b0d

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
SignatureOEk/q8C9//BFBnfRwEoGCwEQVLFMl77kLAvlNK9i1BI7RIUoX+6r5pMQVm2g4uZ6Biq3xlck2rw6WVLphxQdBw==
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

2026-09-17T10:24:38.527860ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071139
observed 62e88954cd72778ae6643f21cfa6ec6d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:38.507045ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071139/manifest.json
observed b79e430dc8ae9e53375ed69eb30b3fd5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:38.454569ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071139/publication.md
observed 7b51d5bb61798d4e502e9bdade85026e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:38.398904ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071139/publication.txt
observed 485c6f470ef057d7765b04e26f6f011d...
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.