OpenTechnical

OT-2026-000103610

Publication integrity record

Four bellows cup vacuum gripper, four zone face, two stage ejector, pulsed blow-off 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-2026-000103610) never changes.

Identity and time

Publication numberOT-2026-000103610 · never reused
Internal UUID01a0aea4-e461-735d-b991-a17df48e1d42 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:57.105586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103610
StatusPUBLIC

Content hashes

Canonical text3bd1fb83f909d00e9e1cbab9911626c66d81c55f4e86b26fb63e9ecb0199464f
Markdownb82d90c24913502b0e7126ec822953fc6cbcc85c1a71f5d4932c6b502f23de05
PDF
Publication paged61d8e0d2918e4265072ef999be56b682ce1271ded9bf36b96086b5fc4c86103
Manifest956411691288612e2aed3d2c184eace62569aabec0962e2664edf324b1d482c2

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
Signature/tnleCIsbCJQFWll0Ja8ePdtkMSYXXkESNY7QwO6tzTIt5E9DgGiUlPbk0jR4hiQU1UrG2QxJYzjmcKHZpc2DQ==
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

2026-09-17T09:22:24.062509ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103610
observed d61d8e0d2918e4265072ef999be56b68...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:24.046635ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103610/manifest.json
observed 956411691288612e2aed3d2c184eace6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:24.029575ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103610/publication.md
observed b82d90c24913502b0e7126ec822953fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:24.012502ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103610/publication.txt
observed 3bd1fb83f909d00e9e1cbab9911626c6...
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.