OpenTechnical

OT-2026-000097471

Publication integrity record

Foam pad vacuum gripper, two 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-2026-000097471) never changes.

Identity and time

Publication numberOT-2026-000097471 · never reused
Internal UUID01a0aea1-55b3-707f-8bb4-c72ef2bebb96 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:10:04.087778Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000097471
StatusPUBLIC

Content hashes

Canonical textdb9bd5db3e767042742f2bd438055f0e59145188d295ea70fb6050fdc7a85e0d
Markdown8c58c0a3481c5036fb81bfafbf29d69d2f15819c345f8329a8fdd30334f514bf
PDF
Publication page4db0a45eaaf6373c306a192912e49c31c5e5a25b35520319253a153b512be844
Manifest2c627c952864bc82d19235438037880401e4d74a4471ec137b81394e6e9b479b

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
Signature3ZcxITqhpZ76slMIXXJ8qu71VAgeRcCPd2ggi14XnuhdJwcKZZdyxqajyU6yeey0geSQvoSkd0cjwBt/SRGrDQ==
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

2026-09-17T09:33:20.389225ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097471
observed 4db0a45eaaf6373c306a192912e49c31...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:20.372509ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097471/manifest.json
observed 2c627c952864bc82d192354380378804...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:20.356788ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097471/publication.md
observed 8c58c0a3481c5036fb81bfafbf29d69d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:20.339319ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097471/publication.txt
observed db9bd5db3e767042742f2bd438055f0e...
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.