OpenTechnical

OT-2026-000086966

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, plant vacuum 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-2026-000086966) never changes.

Identity and time

Publication numberOT-2026-000086966 · never reused
Internal UUID01a0ae9a-80a5-7f48-86e9-fbaf99f51472 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:36.209195Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086966
StatusPUBLIC

Content hashes

Canonical text235aebe4be26aeb08d48db6d213aac891320caedc1ddd167c99ef339bd3a0325
Markdown73906b6ca5d8254dd78f6fed59b50fbee2be3bd91b9da12ca0c6c3548fd9d8ab
PDF
Publication pagef2bc593a6211dc1a92fb8b83c5015d5b0bea2637342ae22c6ad11321d23bdc49
Manifest70b2d904419fa37a55fe600aa0a5a009f885d4ef05f5d3eb7e551439cdfe298a

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
SignatureeguFH5FhnZfuhhTYKIc/PKec2XAtjkH08vZkRrAfjk+XooAtq3qsc/BnC6R0Xy1eLj9pVM9Lwf39qVdMUB8VBw==
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

2026-09-17T09:51:51.848945ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086966
observed f2bc593a6211dc1a92fb8b83c5015d5b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:51.832149ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086966/manifest.json
observed 70b2d904419fa37a55fe600aa0a5a009...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:51.813266ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086966/publication.md
observed 73906b6ca5d8254dd78f6fed59b50fbe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:51.796426ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086966/publication.txt
observed 235aebe4be26aeb08d48db6d213aac89...
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.