OpenTechnical

OT-2026-000090005

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six outlet manifold, pump fed, manifold pressure sensor, 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-2026-000090005) never changes.

Identity and time

Publication numberOT-2026-000090005 · never reused
Internal UUID01a0ae9c-428e-70aa-899b-98da8e43dbd2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:31.390046Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000090005
StatusPUBLIC

Content hashes

Canonical textceb53f04491ca2f1ec7d7562bcdd208eed56a699d35040f0d68327361feee36b
Markdown76006f4f66402ec0fb81994cc010b1b39802af74f129544aff63288b1a85195c
PDF
Publication page0105b324caae382285be87b43c44bf0d1a2994dfe4f23918d557c13d5e9f7f4b
Manifest8046f6114a08a569670485e9c1c1e120b853ae0c4df4846ac46f014daaa6363c

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
SignatureoI0LksYT91TRgi90joPmd+KQQelwUIOUhyl3iBmz/vtdoPzUrLF6hYjJ7U7f0SOZMh1XvIEPVzT8SS9Hb4okBg==
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

2026-09-17T09:45:23.902182ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090005
observed 0105b324caae382285be87b43c44bf0d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:23.885255ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090005/manifest.json
observed 8046f6114a08a569670485e9c1c1e120...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:23.867717ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090005/publication.md
observed 76006f4f66402ec0fb81994cc010b1b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:23.848429ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090005/publication.txt
observed ceb53f04491ca2f1ec7d7562bcdd208e...
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.