OpenTechnical

OT-2026-000020907

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, three stage ejector, pulsed 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-2026-000020907) never changes.

Identity and time

Publication numberOT-2026-000020907 · never reused
Internal UUID01a0ae6f-65e3-7e96-9a9b-f4672f82fef8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:31.316024Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000020907
StatusPUBLIC

Content hashes

Canonical textf896b39537e24be6310ea7a3ae7a30904bd9d8221c08f214185270284c70c20a
Markdown9b3211acc041a09d437b6ef386ba5c49eaf2c3dc044a9d71b4fe240a4e7ca019
PDF
Publication page199d6d7d029214d357725bdf250284dfc10959e5677887c2933d8ddfcb5099c7
Manifest4e80da767d8770b39116ee5c13d3d37a20a9a36819d8f92ca814eeca8840bed7

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
SignatureHSyuS2C/zKaT153QbvrkV1EjcU4c641wXKY1RqyyE+K4SqFc3Aq1CE7BFgZblOvx+pE6k6q43mSz2gioO79zAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:56:01.536520ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020907
observed 199d6d7d029214d357725bdf250284df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:01.517170ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020907/manifest.json
observed 4e80da767d8770b39116ee5c13d3d37a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:01.497940ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020907/publication.md
observed 9b3211acc041a09d437b6ef386ba5c49...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:01.478277ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020907/publication.txt
observed f896b39537e24be6310ea7a3ae7a3090...
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.