OpenTechnical

OT-2026-000086145

Publication integrity record

Four cup vacuum gripper, four zone face, per zone isolation, plant vacuum fed, sustained blow-off before set-down

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-2026-000086145) never changes.

Identity and time

Publication numberOT-2026-000086145 · never reused
Internal UUID01a0ae99-e82c-77a0-a33c-bbe7adb428b9 · 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-2026-000086145
StatusPUBLIC

Content hashes

Canonical text046d590e9c059a5e6e7ddaa3c309a3fce4a82630d003b28bff4fb69f801762a7
Markdown2240c99ae01e6bdd7a39aa9e204167fb67ed2723dfc92c2c118251089066c555
PDF
Publication page520e122795d56c3e93fe640e53b57576c328c1f2d119a7ea517625251fa4d396
Manifest3d61c3218bbf9644bd37b46d4212f10967b565f8b652f2012838afe3ed9c1fc8

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
SignatureQGyS/RWsEw5nTOB14HFgh2XTUM8y8UDNitaJKl5E+dK0/gurBkq7pNpMwhg+VzcZRm499ufK8quwmLdMjJwyCw==
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

2026-09-17T09:53:48.715122ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086145
observed 520e122795d56c3e93fe640e53b57576...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:48.696858ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086145/manifest.json
observed 3d61c3218bbf9644bd37b46d4212f109...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:48.680240ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086145/publication.md
observed 2240c99ae01e6bdd7a39aa9e204167fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:48.661286ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086145/publication.txt
observed 046d590e9c059a5e6e7ddaa3c309a3fc...
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.