OpenTechnical

OT-2026-000070245

Publication integrity record

Three cup vacuum gripper, three zone face, two stage ejector, 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-2026-000070245) never changes.

Identity and time

Publication numberOT-2026-000070245 · never reused
Internal UUID01a0ae91-545e-7104-88a5-ea3be4a7bf7c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:35.055348Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070245
StatusPUBLIC

Content hashes

Canonical text314a093f99f638e2392e0ac653e70ee6f16054264a15f4531c2dc6dbce831e87
Markdown276edf398b00812f74a7ec369a9510f1ff0329baa87b2d006409ba787f4d4650
PDF
Publication page3f12fec8eacfa7daa9339f7fb19f9ff9f25faeaade89dc6381fe8f206c4cbfc5
Manifestbe4d539214eb84ca73739e594e935a071d98b75075cdf0cf110ad93eac1db700

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
Signaturevr1scQH28nc1VAsHEMY0ThiXbhTrTW8nBlq9g9ViGT1jqzDftWoXsHwDc8zbNxFgyRiJF2r15wgmfOXQhrVyDg==
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

2026-09-17T10:26:01.280728ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070245
observed 3f12fec8eacfa7daa9339f7fb19f9ff9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:01.262963ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070245/manifest.json
observed be4d539214eb84ca73739e594e935a07...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:01.245663ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070245/publication.md
observed 276edf398b00812f74a7ec369a9510f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:01.227865ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070245/publication.txt
observed 314a093f99f638e2392e0ac653e70ee6...
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.