OpenTechnical

OT-2026-000070104

Publication integrity record

Four bellows cup vacuum gripper, four 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-2026-000070104) never changes.

Identity and time

Publication numberOT-2026-000070104 · never reused
Internal UUID01a0ae91-1861-762c-8f16-588c7dee37ef · 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-2026-000070104
StatusPUBLIC

Content hashes

Canonical textc3abaf42db3ccd1410303ab10c08e06b30d6bef1bc457be27ba1d767ac5cdd6b
Markdowna66cda2b0f1c049fb41ed5a962858f344be2a57da5f470679578fef0029ba677
PDF
Publication page8913bf96fa5301e68db6e5b77f22be4e29d05dcecb18458e6f58fba91e7af780
Manifest1c617c946535f8dc414875e9fe25282cccb0d6bbb91d4d94430660e6d4ff7bd1

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
SignatureBaoYhV6BGcssa3ywthZK3UVYglALsoKBv59Hu2nZcOelseLsR1xrIkiGZKmz2gqErrh8OOwxh5mbdb5IKGQADg==
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

2026-09-17T10:27:04.524161ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070104
observed 8913bf96fa5301e68db6e5b77f22be4e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:04.507505ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070104/manifest.json
observed 1c617c946535f8dc414875e9fe25282c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:04.490651ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070104/publication.md
observed a66cda2b0f1c049fb41ed5a962858f34...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:04.473370ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070104/publication.txt
observed c3abaf42db3ccd1410303ab10c08e06b...
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.