OpenTechnical

OT-2026-000073134

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, vented 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-2026-000073134) never changes.

Identity and time

Publication numberOT-2026-000073134 · never reused
Internal UUID01a0ae92-efb6-7172-803b-3e07ca84a70f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:20.363042Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073134
StatusPUBLIC

Content hashes

Canonical text40a2cb3ef7e8f725d2034bb5de80aa722f3c8805955aa428fd1aa8c13b3753f9
Markdownd9a3f810d982bed9e088975d3ed95c7a977d9483480902856d11f25d85130b42
PDF
Publication pageddad295eca9e630ede273101368cc32ca6393dc17a6dc8df3e613068d05a4e3d
Manifestefe18dd1deab4b36247470a12ad01db930827a935be15786a7804a1c858ad95a

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
SignatureZ/xzFpVVxYRf4M7eJmMAsuFo5WPKnJPWBOs3+bvJ6gVB+vNgpjDp/jEOjt0Iw0qFaVoIUS5vSNcEZX6FPoQtDw==
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

2026-09-17T10:21:04.107442ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073134
observed ddad295eca9e630ede273101368cc32c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:04.088495ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073134/manifest.json
observed efe18dd1deab4b36247470a12ad01db9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:04.070323ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073134/publication.md
observed d9a3f810d982bed9e088975d3ed95c7a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:04.051103ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073134/publication.txt
observed 40a2cb3ef7e8f725d2034bb5de80aa72...
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.