OpenTechnical

OT-2026-000069749

Publication integrity record

Three cup vacuum gripper, three zone face, six outlet manifold, two stage ejector, pressure sensor per zone, 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-2026-000069749) never changes.

Identity and time

Publication numberOT-2026-000069749 · never reused
Internal UUID01a0ae91-185f-7c9b-bcb5-5624e86bc775 · 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-2026-000069749
StatusPUBLIC

Content hashes

Canonical text8f7d8e68ed6387430856ba364d7959393226e43323dfc29c63d91f184c7b0303
Markdowne8fea9cfe98c3386df30b56d4413ec6554507562a4a8de41cfbdd087aa7fb9b9
PDF
Publication pagea7394560a0213e8aaf0f8b7f3f9cd9b869da9f5d87155e30b097ad5df6505568
Manifest4e884cdc9158e292d37755568a67c3bed8bb28c67a278c7a61eea93caaaf3c0f

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
SignatureBuuJW61dDiXY4zM6urkHnhqM/djVkGooE4k4bFeCiIIBj+DG73/0qVBS2jiCaTuICnNpKFfoOENUKPv2OnuHBg==
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

2026-09-17T10:26:34.147765ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069749
observed a7394560a0213e8aaf0f8b7f3f9cd9b8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:34.130567ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069749/manifest.json
observed 4e884cdc9158e292d37755568a67c3be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:34.111372ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069749/publication.md
observed e8fea9cfe98c3386df30b56d4413ec65...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:34.093954ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069749/publication.txt
observed 8f7d8e68ed6387430856ba364d795939...
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.