OpenTechnical

OT-2026-000062245

Publication integrity record

Two cup vacuum gripper, two outlet manifold, three stage ejector, supply line pressure sensor, vented after 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-2026-000062245) never changes.

Identity and time

Publication numberOT-2026-000062245 · never reused
Internal UUID01a0ae8c-0abd-7c83-8751-76263a650f76 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:48.542263Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062245
StatusPUBLIC

Content hashes

Canonical text5588e73f650b52945ed75869604373c45ab421d753c5ab0db85a4791dfae6e25
Markdown8b8b23333c4312612715a99e5575251649d8e1709e39d1673db255f857c04586
PDF
Publication page8df6bfced7a52d74ee9a5bcf4c7debdd04cc4af270069c604dc1b28c4c9b40c7
Manifest46976b3aa5d4b0856799d1fe8c68dbaed66c2d4eb1abb0132155b04a634b7d91

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
Signature3vHXjAgArEc1xMMtXoihrQ57gk+ag1ZfZHGpdxwCfcKE0pyi5gj92GLmJbdM3BTih/ARu+xqdto3L+NlWjoQAw==
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

2026-09-17T10:39:31.355103ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062245
observed 8df6bfced7a52d74ee9a5bcf4c7debdd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:31.338379ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062245/manifest.json
observed 46976b3aa5d4b0856799d1fe8c68dbae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:31.321035ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062245/publication.md
observed 8b8b23333c4312612715a99e55752516...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:31.304097ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062245/publication.txt
observed 5588e73f650b52945ed75869604373c4...
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.