OpenTechnical

OT-2026-000073657

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, plant vacuum fed, supply line pressure sensor, 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-2026-000073657) never changes.

Identity and time

Publication numberOT-2026-000073657 · never reused
Internal UUID01a0ae93-2b8c-7219-a8e2-d0316f6db9e2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:35.679268Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073657
StatusPUBLIC

Content hashes

Canonical text6e54888f0480d8d7a9ae86715ad362aa4be1893fa8f6106ec12cfb13a4d8c2a3
Markdowne01e0629403a6ba1e3e244db30ea1913e7bf67edc17f98881c3a44d0d8183658
PDF
Publication page07dcb88b84205f32706a6096b8468891f0b179065f0a4eef1255295c1f0ca924
Manifest67214ae7eb7efc9c067f99cfb7087cb699b4a6c25a28dcf4c6924bdc121f4dec

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
Signatureo/Yta3aQLtI1P0w8wlRDyHNEVWMBZZn7622/wb9lMqqEteXEP6WxHoYge0EAXkBrdK7HZGOoix9rAgLWSSyHCA==
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

2026-09-17T10:19:42.501490ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073657
observed 07dcb88b84205f32706a6096b8468891...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:42.484138ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073657/manifest.json
observed 67214ae7eb7efc9c067f99cfb7087cb6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:42.465752ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073657/publication.md
observed e01e0629403a6ba1e3e244db30ea1913...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:42.447508ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073657/publication.txt
observed 6e54888f0480d8d7a9ae86715ad362aa...
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.