OpenTechnical

OT-2026-000085799

Publication integrity record

Four cup vacuum gripper, four zone face, two 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-2026-000085799) never changes.

Identity and time

Publication numberOT-2026-000085799 · never reused
Internal UUID01a0ae99-e829-71bb-9334-b5139ac3ae3f · 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-2026-000085799
StatusPUBLIC

Content hashes

Canonical text8ab9fca04ebf7e0a173ea35d16f3423e3bb34441d69f366d26bb0c87304fb8c0
Markdownf4b7c5c16fab79de096911b9dc542479446270e4dfb8a32db4cc77b69be3e437
PDF
Publication page4d47ffbdbb143819a73b5dc16b954755a985edd644bbbe0afef4081218e00897
Manifestb145d8cbd242c2bb77ad6c4903f17affb518406f1b6c21be1572247c7789f95b

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
Signature9WSJg4vKcYG7u74Y3QSeqCFtNUJv3E4P78dAQJw+tAYqNz9vJSdgQ4GK/BPLPx0qETMZyR8LEmglKVfMQNDvAw==
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

2026-09-17T09:52:42.906180ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085799
observed 4d47ffbdbb143819a73b5dc16b954755...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:42.888758ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085799/manifest.json
observed b145d8cbd242c2bb77ad6c4903f17aff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:42.870538ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085799/publication.md
observed f4b7c5c16fab79de096911b9dc542479...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:42.851791ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085799/publication.txt
observed 8ab9fca04ebf7e0a173ea35d16f3423e...
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.