OpenTechnical

OT-2026-000103374

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, pump fed, 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-2026-000103374) never changes.

Identity and time

Publication numberOT-2026-000103374 · never reused
Internal UUID01a0aea4-e460-780f-8aed-bf5ee4fa170f · 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-2026-000103374
StatusPUBLIC

Content hashes

Canonical textb3b07add1fc5487251223c369a91bea53251467c2374dcd4b2c1cca868523f09
Markdowne43f1768f5fb57e82ebc0dd33d774346ce23075b26cd9533a48fe46a78891361
PDF
Publication page3fe577b14076610ff1cc97c2082f7849a5964e8c160cff2731dadabdf63fb0af
Manifest0c72c639c9e993ba65bdf43e3c5a3a5caa36f6073234c561bfc7dd2d72a99f76

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
SignaturejkcnFyB8UyYjQNV3Ka31cXhZgtoernpa2Uu3Gcc8xPyBwlc0yKlzJsF9j1ZhbdzWA2BgzVQ5fOu/2D2+MC4wCA==
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

2026-09-17T09:22:06.685258ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103374
observed 3fe577b14076610ff1cc97c2082f7849...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:06.669612ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103374/manifest.json
observed 0c72c639c9e993ba65bdf43e3c5a3a5c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:06.653021ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103374/publication.md
observed e43f1768f5fb57e82ebc0dd33d774346...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:06.635146ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103374/publication.txt
observed b3b07add1fc5487251223c369a91bea5...
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.