OpenTechnical

OT-2026-000071073

Publication integrity record

Four cup vacuum gripper, four zone face, per zone isolation, 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-2026-000071073) never changes.

Identity and time

Publication numberOT-2026-000071073 · never reused
Internal UUID01a0ae91-8c2f-7862-8ef6-03dff0a9a1d6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:49.344646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071073
StatusPUBLIC

Content hashes

Canonical texte0ed29aa2bf9fee979b67e4de8e0a7840c398f52766593ae66051c29a3e136f1
Markdown4e83d80dbfcbd88151cee45657d21758bbc1098d0e9a980da274117ef991adc4
PDF
Publication page691810c609a1c8234408051af137b2259e4490e785cf7ef3ec6dc95df164bd69
Manifest3dece3ba5a31444922a2ceebf0a08723460eb7938369a4108b873584a16d419d

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
Signaturex/5UbZ4SiQC0Mrf5fpBUNS0Dx3A6DXb5l+cOdV1iaKEXWqHqPluoYV5YMXeeYOBGjPYONDOJufPJR7ynwUT2CA==
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

2026-09-17T10:25:56.059488ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071073
observed 691810c609a1c8234408051af137b225...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:56.043790ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071073/manifest.json
observed 3dece3ba5a31444922a2ceebf0a08723...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:56.028196ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071073/publication.md
observed 4e83d80dbfcbd88151cee45657d21758...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:56.008624ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071073/publication.txt
observed e0ed29aa2bf9fee979b67e4de8e0a784...
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.