OpenTechnical

OT-2026-000069917

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, single stage ejector, pressure sensor per zone, 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-2026-000069917) never changes.

Identity and time

Publication numberOT-2026-000069917 · never reused
Internal UUID01a0ae91-1860-7fa9-b6f7-54b8652f60e3 · 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-2026-000069917
StatusPUBLIC

Content hashes

Canonical textfe0f67f99844330c4a9f59b890ebd39e2bd91338801218ac93e3176dc3c37904
Markdown377501c28366bf9912a2b36029b687ea77bef53a4a20b4dd141f3af15dbf4a43
PDF
Publication page2a49a942eef8fb0f4f2dc280a2c23c28e8b68c302656f5699538d6d17cbcbff8
Manifest4368e06d68c85a6fd67159992dce07349a2e75ef951421f80de6b0a159584000

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
Signatureaapm17SfxRqF/YHHnyNIAfDPo5kQsQKaFKD1hgTIRK4/BlR1w8Nbsb/A3QLux/a0L9KOEY6DBq4gFhNKjOHpDw==
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

2026-09-17T10:26:51.332459ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069917
observed 2a49a942eef8fb0f4f2dc280a2c23c28...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:51.314534ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069917/manifest.json
observed 4368e06d68c85a6fd67159992dce0734...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:51.295458ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069917/publication.md
observed 377501c28366bf9912a2b36029b687ea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:51.272103ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069917/publication.txt
observed fe0f67f99844330c4a9f59b890ebd39e...
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.