OpenTechnical

OT-2026-000069900

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, three stage ejector, vented 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-2026-000069900) never changes.

Identity and time

Publication numberOT-2026-000069900 · never reused
Internal UUID01a0ae91-1860-71de-938a-b4ce0fe33d19 · 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-2026-000069900
StatusPUBLIC

Content hashes

Canonical textf9f50ae9dc2f28329e702a8a052449c6c27f52cb5822416f87e5aa982317505c
Markdown3aa548ce21e641ab910bb8bb69565e67a662356ec382cc815094e707e3fcb113
PDF
Publication page97a50056c77615c7c3e0ef0b384f821ec57f7a48a473bb5c7bdde93e5ce041e8
Manifest0f8c791f67bfab5f6a3eeec26c24b3005a042f00d1de7de50301cd105507de23

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
Signaturewe+xyEKRXI0DAD0SKFih1D8RuOzGq8ywfXAiY6ziwvIU5mGg9d0GXM5/gcfdPItuTv6yUdFR2rnHDxw7LFm8Dw==
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

2026-09-17T10:26:44.115998ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069900
observed 97a50056c77615c7c3e0ef0b384f821e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:44.098386ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069900/manifest.json
observed 0f8c791f67bfab5f6a3eeec26c24b300...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:44.080953ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069900/publication.md
observed 3aa548ce21e641ab910bb8bb69565e67...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:44.063113ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069900/publication.txt
observed f9f50ae9dc2f28329e702a8a052449c6...
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.