OpenTechnical

OT-2026-000097745

Publication integrity record

Foam pad vacuum gripper, four zone face, common isolation valve, two stage ejector, supply line pressure sensor, 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-2026-000097745) never changes.

Identity and time

Publication numberOT-2026-000097745 · never reused
Internal UUID01a0aea1-92f5-719b-93c8-830a85b5d6d8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:10:19.650679Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000097745
StatusPUBLIC

Content hashes

Canonical textf6beae09995707e01a7cdf60ab75c5a21d92635b8875f2536baa9c8e2ae9518a
Markdown36d160a90fc28aacaac294fd460e7978193010cb29e34f286aad1a8ca8fc7e01
PDF
Publication paged665bbe41a9a6497bb4343864e9b9f0c2949f47bb7f3a3de77f236761a859375
Manifestb7d8b7a979d18f00e0fe2d4121a6ad7295f4650729f5916e89548d86eb92cd09

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
SignatureekzDHYdlQnO7v3C4vRX5U7fGqThDhHlIuFoTqYGF6ohofbEo2ynGwJm2t30EDgFLVeJEqzw7UA8DZXMk1BjxAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:32:47.948694ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097745
observed d665bbe41a9a6497bb4343864e9b9f0c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:47.928114ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097745/manifest.json
observed b7d8b7a979d18f00e0fe2d4121a6ad72...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:47.904605ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097745/publication.md
observed 36d160a90fc28aacaac294fd460e7978...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:47.878641ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097745/publication.txt
observed f6beae09995707e01a7cdf60ab75c5a2...
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.