OpenTechnical

OT-2026-000015537

Publication integrity record

Four cup vacuum gripper, four outlet manifold, single stage ejector, supply line pressure sensor, pulsed blow-off before set-down

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-2026-000015537) never changes.

Identity and time

Publication numberOT-2026-000015537 · never reused
Internal UUID01a0ae6d-ef4a-7da1-8585-e3defffcccc5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:55.421510Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015537
StatusPUBLIC

Content hashes

Canonical textebd6f1819ef2f51cb094f4d9d502f0b4b9f006ffc54003ca255602fae6acfbb4
Markdown3dbde34f766c13bde7e720c3f1ff2abc37023d9938bf544045c9c961cebe34a2
PDF
Publication paged5093eb1aca69d693f30984e8a9cf575c1d2136350b072c0cdac933b14870cf2
Manifest683984b2a3a3164abd6e9c2907fac6b1c1cf84ae3fcb41e9ee983b70e32788a2

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
SignaturefzQ5dyFSaRNK45ikg9OkNgCordHhgjRtY4eSCcCMsjy64jUAIMtonfD14+7GhQTAZbx8CFxWuJcBDXDhJ4tnBw==
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

2026-09-17T12:06:19.073258ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015537
observed d5093eb1aca69d693f30984e8a9cf575...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:19.055496ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015537/manifest.json
observed 683984b2a3a3164abd6e9c2907fac6b1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:19.035124ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015537/publication.md
observed 3dbde34f766c13bde7e720c3f1ff2abc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:19.017281ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015537/publication.txt
observed ebd6f1819ef2f51cb094f4d9d502f0b4...
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.