OpenTechnical

OT-2026-000066413

Publication integrity record

Four cup vacuum gripper, four 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-2026-000066413) never changes.

Identity and time

Publication numberOT-2026-000066413 · never reused
Internal UUID01a0ae8e-ce40-7f21-be5f-8d107104f51a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:49.649149Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000066413
StatusPUBLIC

Content hashes

Canonical text40ee2cda24d299e582ca750880a556242c5c6aef0ce4cf0de03b78e9ea97211d
Markdown413039ddce78f3e79632a9a9add3154d293f4283eb415d9b17c83ba4f557ec63
PDF
Publication page43d2acea08f7aef78ac2dc46084b3d82d54dfba6107a55f49cb7661ecb3e49da
Manifest91c8de5a4460a0e5b51e5edd062e6f50e0dc8e4260d0cce2def878a5217cf8f2

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
SignaturedQg3G22nwqAqLrQHT6bqd20UQwcnLa8ExXBZXcCvaOwcuwvmaDIl8lH8eH68cfwa98NhG2WsoKYcuIyY9gz2AA==
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

2026-09-17T10:32:39.122157ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066413
observed 43d2acea08f7aef78ac2dc46084b3d82...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:39.103959ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066413/manifest.json
observed 91c8de5a4460a0e5b51e5edd062e6f50...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:39.086487ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066413/publication.md
observed 413039ddce78f3e79632a9a9add3154d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:39.069271ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066413/publication.txt
observed 40ee2cda24d299e582ca750880a55624...
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.