OpenTechnical

OT-2026-000079397

Publication integrity record

Foam pad vacuum gripper, two zone face, two stage ejector, 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-2026-000079397) never changes.

Identity and time

Publication numberOT-2026-000079397 · never reused
Internal UUID01a0ae96-0b91-7835-90d2-28b4cbb683bd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:44.101434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079397
StatusPUBLIC

Content hashes

Canonical texte5ee3b15df9ed4850754fa7ed5b16d9490770be9304823175407a9abbc100920
Markdown34ef921e5b04d8093f8bc63cfc82de91f1530600d2da506c270be89b9faffad4
PDF
Publication page95d5fa40c99146c136c321abb49f99533094954f7ab326f92a3d7e30d7b37e39
Manifest00de4e5fde549bfbb9a16ed30b76b0ac272cff75509f1bd92b24a327a2e5d49a

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
Signature8g2lx0xd0WkUlISoFNRvjZ9ph3iS64yWrhGJ7iEFctXKfdr+NesqJCdizt9Qe++0LWz6+Tt0kWCCe2jesIRBCg==
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

2026-09-17T10:05:01.196399ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079397
observed 95d5fa40c99146c136c321abb49f9953...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:01.177464ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079397/manifest.json
observed 00de4e5fde549bfbb9a16ed30b76b0ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:01.157847ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079397/publication.md
observed 34ef921e5b04d8093f8bc63cfc82de91...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:01.139568ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079397/publication.txt
observed e5ee3b15df9ed4850754fa7ed5b16d94...
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.