OpenTechnical

OT-2026-000070145

Publication integrity record

Two bellows cup vacuum gripper, two zone face, pump fed, supply line 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-2026-000070145) never changes.

Identity and time

Publication numberOT-2026-000070145 · never reused
Internal UUID01a0ae91-1862-7630-9fd5-243b01dea23d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:19.726120Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070145
StatusPUBLIC

Content hashes

Canonical texta43e5b435f27f10f356af14d1cab0757e40739a88694ad6d43c5eff726159adc
Markdownc8a3aceb2199bc44063927b38dfb191b1db94aeab93929ab607f39b09123d03a
PDF
Publication pageef262a6886767731e39d3c37a9cf4ba6167e06852a2bfb8d96c400d81853a1c6
Manifest51c6821ed9f65937cc7a25a55fb22fe084b52e89c4842eda87152017ed7cce66

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
Signature89h5lfcbUJiwJVn0ny8mAuGblWdDrMeoplIknBfEQV5i5DkIx60QjTuhIHtGgDZq1QtUrdB1nyyNhp0aWLV4AA==
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

2026-09-17T10:27:11.397634ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070145
observed ef262a6886767731e39d3c37a9cf4ba6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:11.378364ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070145/manifest.json
observed 51c6821ed9f65937cc7a25a55fb22fe0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:11.358377ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070145/publication.md
observed c8a3aceb2199bc44063927b38dfb191b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:11.339174ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070145/publication.txt
observed a43e5b435f27f10f356af14d1cab0757...
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.