OpenTechnical

OT-2026-000085846

Publication integrity record

Four bellows cup vacuum gripper, four zone face, pump fed, 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-2026-000085846) never changes.

Identity and time

Publication numberOT-2026-000085846 · never reused
Internal UUID01a0ae99-e829-7821-a9df-5a566b093c90 · 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-2026-000085846
StatusPUBLIC

Content hashes

Canonical textb65be6265fe3216dc144a30cf53129c3c14e50b9859eeead64549258fc56339b
Markdown89d1367cdd6e9ba6265717599e9e257e3289430d94eb6575f47b9d5135a307e7
PDF
Publication page47e566542da836bc7ebbccf07f89f0f9e457b03e1210179ca76adcbb1c43930b
Manifest5e6fb4e870fd1b709b8ffb4e55e0e3273e451cf7615da93a24dda9b17450d0cb

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
Signature0ravtF36eIzQjSebFnquzaUOcHbMhF6iyXA5zjlEd8ekaDVqA7V3K4HKNh4V8SE4cRx7FbnSc9Byy1P5MqSeCg==
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

2026-09-17T09:52:46.344219ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085846
observed 47e566542da836bc7ebbccf07f89f0f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:46.326946ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085846/manifest.json
observed 5e6fb4e870fd1b709b8ffb4e55e0e327...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:46.308753ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085846/publication.md
observed 89d1367cdd6e9ba6265717599e9e257e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:46.291882ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085846/publication.txt
observed b65be6265fe3216dc144a30cf53129c3...
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.