OpenTechnical

OT-2026-000101142

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, three stage ejector, pressure sensor per zone, 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-2026-000101142) never changes.

Identity and time

Publication numberOT-2026-000101142 · never reused
Internal UUID01a0aea3-c378-7f7d-b85d-4a0c330754d3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:43.138721Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000101142
StatusPUBLIC

Content hashes

Canonical textd5638937c1ca43b194b6605267c82128448ad3d30b2b81cb2ab736e18fca5f24
Markdowna15520ed20fb1b7e58e5905fdbcf43b4179d45f4a4f42e4af49e757e0d0ecbaf
PDF
Publication pagebdb3c595fa10f90704f6b351791c6680e40cd5373bab8d0e2b495b930d192c53
Manifest5a4fa855ff2d3083f53b933b307908845ebb31e6a15a0ea85eb1515a5e2b14e8

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
Signature9uNa3NShfWUMOp2zArCyH1xSjlQOVbdujIbsmxruH2lhTNwvMWt4TQ/bdZCCJay1D/6G/Zxf+omumbWeHSb5Dg==
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

2026-09-17T09:26:46.516797ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101142
observed bdb3c595fa10f90704f6b351791c6680...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:46.500921ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101142/manifest.json
observed 5a4fa855ff2d3083f53b933b30790884...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:46.484707ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101142/publication.md
observed a15520ed20fb1b7e58e5905fdbcf43b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:46.466768ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101142/publication.txt
observed d5638937c1ca43b194b6605267c82128...
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.