OpenTechnical

OT-2026-000097928

Publication integrity record

Foam pad vacuum gripper, two zone face, three outlet manifold, plant vacuum fed, 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-2026-000097928) never changes.

Identity and time

Publication numberOT-2026-000097928 · never reused
Internal UUID01a0aea1-92f7-72a0-bf57-ec3cdf80300f · 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-2026-000097928
StatusPUBLIC

Content hashes

Canonical texta4bec0925f429102a03d2a8fb5b10783343645bc997a19c3e2643bda1e134cf3
Markdowna7f74b601c891a6fff952287f9d62c23b9d7135307d173e0b13e20823ddd57bc
PDF
Publication pagefec5ecab0849dfdb76c6a7ad06f5230ce28e7e8464a56256303c07cb9476832f
Manifest3917243cea24435b3747ef8d4556d2150e385037f015f96fc56d953035a6ce09

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
SignatureKVM/KTXV6AKT2wEAez3ly6eh9t3YSPbpd1B12lLQvEouDqsqluAqf5U7bNawlESADICBKGIoxTZsM5ciq2oQAQ==
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

2026-09-17T09:33:03.544007ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097928
observed fec5ecab0849dfdb76c6a7ad06f5230c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:03.525921ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097928/manifest.json
observed 3917243cea24435b3747ef8d4556d215...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:03.509800ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097928/publication.md
observed a7f74b601c891a6fff952287f9d62c23...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:03.491714ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097928/publication.txt
observed a4bec0925f429102a03d2a8fb5b10783...
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.