OpenTechnical

OT-2026-000076494

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, plant vacuum fed, manifold 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-2026-000076494) never changes.

Identity and time

Publication numberOT-2026-000076494 · never reused
Internal UUID01a0ae94-6a71-78b9-a390-b2f6d306e7c5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:57.307071Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076494
StatusPUBLIC

Content hashes

Canonical text127ce6d7a78e6ee933d408f75837df54004aac4ca3bf32ff34b7fba7ee5068a6
Markdown121186c420f56066cc4131a955a071f91512b93fa725e51de6220a53b01e352b
PDF
Publication page2670a97c19c1314d0b058b3cebd4c0c40cddfa4b9190ff810fb570d70d9006bb
Manifest4ffe67873cc199cee12bbeb463eff6aaaa6bdbcd1c7f045c0f0f6c64a975a6c8

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
SignatureI7YGIKfzAlk3RySD98WQ6jmY4G8iVniwzxyCabZN9Ypoo9HM65/8zkNzsL3MwQ4un0HrGkQMsT8FgZd6fatZBA==
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

2026-09-17T10:12:45.496971ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076494
observed 2670a97c19c1314d0b058b3cebd4c0c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:45.475867ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076494/manifest.json
observed 4ffe67873cc199cee12bbeb463eff6aa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:45.455593ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076494/publication.md
observed 121186c420f56066cc4131a955a071f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:45.058149ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076494/publication.txt
observed 127ce6d7a78e6ee933d408f75837df54...
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.