OpenTechnical

OT-2026-000085812

Publication integrity record

Four bellows cup vacuum gripper, four zone face, three stage ejector, 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-2026-000085812) never changes.

Identity and time

Publication numberOT-2026-000085812 · never reused
Internal UUID01a0ae99-e829-7590-8cc0-546b788cab37 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:57.178584Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085812
StatusPUBLIC

Content hashes

Canonical textb535650cf0f7f9ea121d811ec51760f94fdb49aa5121e0e69e4f07a1f3f74299
Markdowna5b3c6d58bac80c577cba754efc09fd024d49ea38378d3773786a0c586427cee
PDF
Publication pagefcd85a8479aed09337d503063504d0422fc157e379281e061716df30336b81cf
Manifest1824cf3364b8911c920b25fa205bd24ef247cd5c863fcb0003f93bc7eff3877e

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
SignatureTknD2zfkiLCp+i+FH3f5T7ZT11JJl5t+c9Kc+yVjwQEfYEChtd97Ojq7I9aWazqodbtLtKqpjRPf3xZo5sBFCQ==
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

2026-09-17T09:52:43.870932ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085812
observed fcd85a8479aed09337d503063504d042...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:43.853818ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085812/manifest.json
observed 1824cf3364b8911c920b25fa205bd24e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:43.837834ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085812/publication.md
observed a5b3c6d58bac80c577cba754efc09fd0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:43.821740ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085812/publication.txt
observed b535650cf0f7f9ea121d811ec51760f9...
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.