OpenTechnical

OT-2026-000015059

Publication integrity record

Four cup vacuum gripper, four zone face, common isolation valve, two stage ejector, pulsed 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-2026-000015059) never changes.

Identity and time

Publication numberOT-2026-000015059 · never reused
Internal UUID01a0ae6d-d096-76f8-9b37-4b533c908c59 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:47.560717Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015059
StatusPUBLIC

Content hashes

Canonical text9cb0eeab5bdfc6cbbfc4728ceb12325765814af25cb1ddacedc9f2350c0a6fd0
Markdown820b6692d29348b8e9a3976d14cc51277b9ca6e0ba37c6a6f9594ede70a3ef2f
PDF
Publication pageebcb95216e00e1e1b0034a7c3c4ff54dcbf7ae6c402312be2da06f70d55873b2
Manifest97d1ee15a43f4147f5fdc2e2c159aeecf528470981b42efa3992608adc9b2a80

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
SignatureTFpuul90joyHJhpTt0qeidhXA4hszEJKqMg1Qq6Tbkum4Oa3xnWI4DCDuQcnRSHcbe9JUIh0TQWvc1I0IiXBBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:07:06.066350ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015059
observed ebcb95216e00e1e1b0034a7c3c4ff54d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:05.951972ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015059/manifest.json
observed 97d1ee15a43f4147f5fdc2e2c159aeec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:05.931503ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015059/publication.md
observed 820b6692d29348b8e9a3976d14cc5127...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:05.910006ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015059/publication.txt
observed 9cb0eeab5bdfc6cbbfc4728ceb123257...
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.