OpenTechnical

OT-2026-000092404

Publication integrity record

Four cup vacuum gripper, four zone face, plant vacuum fed, supply line pressure sensor, 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-2026-000092404) never changes.

Identity and time

Publication numberOT-2026-000092404 · never reused
Internal UUID01a0ae9d-b5fc-713c-ba69-e3ece9d1e37b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:06:06.506600Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000092404
StatusPUBLIC

Content hashes

Canonical text42c1942ee8932734cb71386be4e8a710be37e2529849c583564ca2f56c1a7583
Markdown9b124eeb91fb8c392ad7d04ae3870fe2534051a48c65ccecca743c70c39f83eb
PDF
Publication pagedcd06081e7f1e3312b83ea8db662050b1a2aeac05ebec8200a926f5b49896cd4
Manifesteccdce655b25718f6f726e0ed30c4d9fd48b94ebf3f6f7e59291523caf30a523

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
SignatureUzwLa20trjgYtS02L9yIBxiElwoVxMAxBW9pW+4+A5YjQuMlJOGMMzA2R4JhVAR4fLIPwrPEoCytaxOpZqE/Bg==
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

2026-09-17T09:40:57.191016ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092404
observed dcd06081e7f1e3312b83ea8db662050b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:57.172617ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092404/manifest.json
observed eccdce655b25718f6f726e0ed30c4d9f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:57.155451ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092404/publication.md
observed 9b124eeb91fb8c392ad7d04ae3870fe2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:57.138000ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092404/publication.txt
observed 42c1942ee8932734cb71386be4e8a710...
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.