OpenTechnical

OT-2026-000011289

Publication integrity record

Four cup vacuum gripper, four zone face, per zone isolation, 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-2026-000011289) never changes.

Identity and time

Publication numberOT-2026-000011289 · never reused
Internal UUID01a0ae6c-5410-7746-bb01-f673f6e4936c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:12:10.156048Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011289
StatusPUBLIC

Content hashes

Canonical text126e2afee91f5551506c8dab68a070c8b2180671ec4663e28bbd716125dea6e3
Markdowncb74f1ae455a361b95094a5d82f8ddc69097349d3d4095cd7f572f20580bb49b
PDF
Publication pagef59b37f91ddeae35a010eef7870c89776bdc538545dc65cd5671caca97664fc4
Manifesteb824d7190f072fa5e58bccc3a40e84e44098ca1449950267f162ba107b3c162

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
SignatureAB2x2h4298i7SaGspFcUbjZOjLb6yN3kY/5/QZIZ9X5o1BX4MCjZfHvT0cgZmGZtL7hTYGDpnGVGkr/CZcNhBw==
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

2026-09-17T12:14:15.909161ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011289
observed f59b37f91ddeae35a010eef7870c8977...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:15.891562ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011289/manifest.json
observed eb824d7190f072fa5e58bccc3a40e84e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:15.874902ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011289/publication.md
observed cb74f1ae455a361b95094a5d82f8ddc6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:15.856097ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011289/publication.txt
observed 126e2afee91f5551506c8dab68a070c8...
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.