OpenTechnical

OT-2026-000085808

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-2026-000085808) never changes.

Identity and time

Publication numberOT-2026-000085808 · never reused
Internal UUID01a0ae99-e829-7f50-80a7-abca3027c2ac · 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-2026-000085808
StatusPUBLIC

Content hashes

Canonical textb4948f083521d31eeaf2926ff1f19159779911d20abbecbdf1a5b1e1f012ae32
Markdown924f99d71b3e8bc1a15581de0f4728c0d3672ef34984005734f66eb442da9b9f
PDF
Publication page77fbe4362584b652d760642e6b49973747c2e0f9a31d63961fc3b7262efa6672
Manifest3de432bad2f3d809fbb7516fb6d9fc590300570a9d9399ace6c14fbf268ff81b

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
SignatureT5gGKFiyF2HL7VtNLH/yERC8A5Oampywtb+0JjUuaqY8ZyKvMw0mLcw6S0f3vrRWFhyAywmLHEWIaY84t3G3Dw==
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

2026-09-17T09:52:43.586219ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085808
observed 77fbe4362584b652d760642e6b499737...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:43.569646ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085808/manifest.json
observed 3de432bad2f3d809fbb7516fb6d9fc59...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:43.550366ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085808/publication.md
observed 924f99d71b3e8bc1a15581de0f4728c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:43.532503ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085808/publication.txt
observed b4948f083521d31eeaf2926ff1f19159...
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.