OpenTechnical

OT-2026-000077614

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, pump fed, vented 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-2026-000077614) never changes.

Identity and time

Publication numberOT-2026-000077614 · never reused
Internal UUID01a0ae95-2ece-72de-b1f4-97613cf5c9b4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:47.703064Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077614
StatusPUBLIC

Content hashes

Canonical text186a1b045b2309f93905899555524cde6cc9c9b6712b3bb9f5893f5542c2d4d8
Markdown719c84ff7b69937a434760f5cb9a2884e2d1ee130c98803f92775eaa93eaab1b
PDF
Publication page5e9231d46571d960faa76139c2ed92297fde6d3b6d127898d695c8de767bdfee
Manifest66cc8efccaaa835c63c8bf21bc923a8d3e815e250a300d2527b162226ea06307

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
SignatureL1fmPSNtCKFDgI5agnyfx1zPmUnzxVFTO6knC3aAOcVxLWSp08yEVf/PEvCkWhFQFPF7RmEJhct2b30G0Ik1Cw==
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

2026-09-17T10:07:10.479440ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077614
observed 5e9231d46571d960faa76139c2ed9229...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:10.455563ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077614/manifest.json
observed 66cc8efccaaa835c63c8bf21bc923a8d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:10.434369ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077614/publication.md
observed 719c84ff7b69937a434760f5cb9a2884...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:10.415256ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077614/publication.txt
observed 186a1b045b2309f93905899555524cde...
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.