OpenTechnical

OT-2026-000016337

Publication integrity record

Three cup vacuum gripper, three outlet manifold, pump fed, manifold pressure sensor, 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-2026-000016337) never changes.

Identity and time

Publication numberOT-2026-000016337 · never reused
Internal UUID01a0ae6e-2d12-7d10-9e0d-2e01c6f1101a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:11.237946Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016337
StatusPUBLIC

Content hashes

Canonical text5874309e8705b8d464c6b37f6673804e6123d8870a62ba92be87f514c99fb43b
Markdown8950c64e22852fc9c46a26f4e9dc10211231646f9098db56b1d36158901d16c4
PDF
Publication pagec61ad76b08d9e10c696a75460ba142f3f3ee5e20c8d1b130037e7eff0fbf3472
Manifestbf2bdf1961fe893d99fd5c3b270b8abfbddf15df60e9052ae3ce211e4258ced0

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
Signaturez2h3QTSejx4ITlcMgbmOij0fqcHi4K9QPV1mTvKalDceLmiJ5bPh0JmUeE5yVQsPcGLFXBqlfO/3ZQD8P7KCAA==
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

2026-09-17T12:04:24.084708ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016337
observed c61ad76b08d9e10c696a75460ba142f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:24.065139ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016337/manifest.json
observed bf2bdf1961fe893d99fd5c3b270b8abf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:24.047299ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016337/publication.md
observed 8950c64e22852fc9c46a26f4e9dc1021...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:24.029539ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016337/publication.txt
observed 5874309e8705b8d464c6b37f6673804e...
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.