OpenTechnical

OT-2026-000089859

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, three stage ejector, manifold 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-2026-000089859) never changes.

Identity and time

Publication numberOT-2026-000089859 · never reused
Internal UUID01a0ae9c-428d-7dc3-90b0-e1ee712818bf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:31.390046Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089859
StatusPUBLIC

Content hashes

Canonical textb9a33675235f2478ed225ed3cde9fef0836328b19c400b2719f06bbc4e6a2eb4
Markdown7611b76c2293202878e8c944cf95f4c1400224394174fcf4648272ffda309242
PDF
Publication page44e068898b3e58281aaa92e7e8986604f2f278b7375a924b5288f07ab09aa911
Manifest6d5a629553632d0e7093a7b124a5409b31520f206b5956457cd6b7aa506dae10

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
Signature20Ff3bfwluFOmPPWmq3iuF6USHtrCyhOogSWLdmlV7zi1GEsxtdRH8taqy4bjMRdy5cMjRbZuwbSTQevEEkoBA==
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

2026-09-17T09:45:06.509813ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089859
observed 44e068898b3e58281aaa92e7e8986604...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:06.492102ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089859/manifest.json
observed 6d5a629553632d0e7093a7b124a5409b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:06.473154ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089859/publication.md
observed 7611b76c2293202878e8c944cf95f4c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:06.455626ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089859/publication.txt
observed b9a33675235f2478ed225ed3cde9fef0...
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.