OpenTechnical

OT-2026-000091806

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, pump fed, pressure sensor per zone, sustained 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-2026-000091806) never changes.

Identity and time

Publication numberOT-2026-000091806 · never reused
Internal UUID01a0ae9d-43ba-7e95-9513-0b274c1b4bc3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:37.256105Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091806
StatusPUBLIC

Content hashes

Canonical textf7af164e15476bb78002f1f613b1b61f411cfadd2d8ec34d0afd597f466c7dea
Markdownb3d311dea16aa27247e64dafeaf04daff4c955b2519d6cde70347e8362362703
PDF
Publication page2d6f3cda41398ad3b9e8336e54e02521166b501d698646a0fd24c959e4023aa8
Manifest72debed7f6a4aaa997ffe87beac31c4fc66624b5b384c550e33237e8805d80a0

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
SignatureOIOTHMimBo69HViLQhIrFx0vxIsNqaMrKq+ogEeI1ab59Swtg3C9+qsEf3dTg6uVYsAGshxYeNHURITyhPsQCw==
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

2026-09-17T09:42:42.501335ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091806
observed 2d6f3cda41398ad3b9e8336e54e02521...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:42.484579ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091806/manifest.json
observed 72debed7f6a4aaa997ffe87beac31c4f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:42.466678ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091806/publication.md
observed b3d311dea16aa27247e64dafeaf04daf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:42.447501ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091806/publication.txt
observed f7af164e15476bb78002f1f613b1b61f...
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.