OpenTechnical

OT-2026-000083379

Publication integrity record

Three bellows cup vacuum gripper, three zone face, plant vacuum fed, 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-2026-000083379) never changes.

Identity and time

Publication numberOT-2026-000083379 · never reused
Internal UUID01a0ae97-c964-7fed-82cf-741391bb2401 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:38.321156Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083379
StatusPUBLIC

Content hashes

Canonical textbbe3cb852173e8b7b233d40f5f6b82d0b980101e19af04332addf7a953f07ab1
Markdowna224acbd7bb7728b2e2276c247a89303c263588efc9f1c85425c6112a481abc2
PDF
Publication page720689fb2dd845b11a16dfb528a857fa76a9b51132823e32125c4ffa52b20bed
Manifest60645bb3fdd6075785f9020171e4625497db18c8c0ba0263ff0afa5cac1081e5

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
Signature7IclEimYS+zmnR5uS4uaT3K14NKA0QmVucRs1vfSrNl43H/VybmtIWtdOuGUOXzoS+oU0CfCMKlNvEGcLV7uAg==
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

2026-09-17T10:00:49.065751ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083379
observed 720689fb2dd845b11a16dfb528a857fa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:49.041003ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083379/manifest.json
observed 60645bb3fdd6075785f9020171e46254...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:49.018733ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083379/publication.md
observed a224acbd7bb7728b2e2276c247a89303...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:48.994603ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083379/publication.txt
observed bbe3cb852173e8b7b233d40f5f6b82d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:47.025400ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083379
observed 720689fb2dd845b11a16dfb528a857fa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:47.010383ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083379/manifest.json
observed 60645bb3fdd6075785f9020171e46254...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:46.994276ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083379/publication.md
observed a224acbd7bb7728b2e2276c247a89303...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:46.977386ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083379/publication.txt
observed bbe3cb852173e8b7b233d40f5f6b82d0...
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.