OpenTechnical

OT-2026-000062922

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, vented after 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-2026-000062922) never changes.

Identity and time

Publication numberOT-2026-000062922 · never reused
Internal UUID01a0ae8c-94a8-7af5-a821-d83dbfaeb699 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:23.840289Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062922
StatusPUBLIC

Content hashes

Canonical text5be5056c5132c140c0283b8d36a7a42b8772b441cd353ab7863acff0293e901e
Markdown754e93399ef60197e15c9680e157be720252118711e95e55cd436751ae5f5b80
PDF
Publication pagefac2cee32b83f3bc5b0b06be9bce14d27c6157400aba9440c7a4991b16906bf8
Manifest75be8117618b8ee655b590e01247034e6a06a52770d01c37dfad68f37e2f2fa3

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
SignaturentbWOJLRhM1TSQw1AfgDNk7LvwzxWHlZn2VKdA91+hSv5lCbT1p8oOs5TquwGOblfO1kNB+BNdB7m0dHyC/kCw==
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

2026-09-17T10:40:18.272347ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062922
observed fac2cee32b83f3bc5b0b06be9bce14d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:18.251929ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062922/manifest.json
observed 75be8117618b8ee655b590e01247034e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:18.233832ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062922/publication.md
observed 754e93399ef60197e15c9680e157be72...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:18.208851ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062922/publication.txt
observed 5be5056c5132c140c0283b8d36a7a42b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:38.597311ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062922
observed fac2cee32b83f3bc5b0b06be9bce14d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:38.581462ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062922/manifest.json
observed 75be8117618b8ee655b590e01247034e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:38.563548ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062922/publication.md
observed 754e93399ef60197e15c9680e157be72...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:38.548194ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062922/publication.txt
observed 5be5056c5132c140c0283b8d36a7a42b...
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.