OpenTechnical

OT-2026-000097447

Publication integrity record

Foam pad vacuum gripper, two zone face, common isolation valve, single 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-2026-000097447) never changes.

Identity and time

Publication numberOT-2026-000097447 · never reused
Internal UUID01a0aea1-55b3-7342-9659-c6261df342e5 · 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-2026-000097447
StatusPUBLIC

Content hashes

Canonical text039e4c77bce33102e4e14cd6cd0b961dd010333e58a8ec94a0ff885a567cacbd
Markdown39e508049a241267279816b33a89b5b052a93575690ea60f8ae55022da64996e
PDF
Publication page0982b9c409a19ae4ddc37be7ff2a6d997e1a2a1ecf2032f0efeb22bc381b1e97
Manifest09143bd47bfe8ad23ab83e3d7eefb9220dd0870706f82d6d0e7cd9c4e1f39c6d

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
Signaturexo7tmGJF6+HH24Pflb8WtiwJArpklqNRNmXGGgJT3ZlnCo6vTIZPF2wYHXaHTwkg5JA6tP02OgHftiXTTDA+Dg==
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

2026-09-17T09:33:18.521759ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097447
observed 0982b9c409a19ae4ddc37be7ff2a6d99...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:18.505087ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097447/manifest.json
observed 09143bd47bfe8ad23ab83e3d7eefb922...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:18.488490ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097447/publication.md
observed 39e508049a241267279816b33a89b5b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:18.470054ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097447/publication.txt
observed 039e4c77bce33102e4e14cd6cd0b961d...
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.