OpenTechnical

OT-2026-000100508

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, three stage ejector, pressure sensor per zone, sustained 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-2026-000100508) never changes.

Identity and time

Publication numberOT-2026-000100508 · never reused
Internal UUID01a0aea3-66f0-7f8f-8674-0fd1cab8de10 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:19.463543Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100508
StatusPUBLIC

Content hashes

Canonical textf755ed43c157f5a6267c6935ff338cd540fa56ce2b14af9b7c7f2f4186d51101
Markdowndcaab53b71a475f865e3be9b69bf05d2bb82dca4e730f3effc349dce599288c4
PDF
Publication page9fb3c23732cc7150646c0bdcb7ded1e8f6ee7a267563ef4855b8f7f5cc76e94e
Manifestfaecb074905b9a348654a840a376732bd76cfd50df311248cb21044431a53cbc

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
SignaturedB5v383NDf3YpQPH4zS/8LlX8NEbHDCc46WIvA/XT6Kz5SlQC/+yGp8OT0jjNWlN43rguP1MhOw/DSKoR3ViDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:27:16.421749ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100508
observed 9fb3c23732cc7150646c0bdcb7ded1e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:16.405260ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100508/manifest.json
observed faecb074905b9a348654a840a376732b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:16.388673ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100508/publication.md
observed dcaab53b71a475f865e3be9b69bf05d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:16.372205ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100508/publication.txt
observed f755ed43c157f5a6267c6935ff338cd5...
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.