OpenTechnical

OT-2026-000039811

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, plant vacuum fed, supply line pressure sensor, pulsed 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-2026-000039811) never changes.

Identity and time

Publication numberOT-2026-000039811 · never reused
Internal UUID01a0ae78-d8d5-70ae-8801-3eaca7ab220d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:50.683051Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039811
StatusPUBLIC

Content hashes

Canonical textfd16ee95e930355c1e8a71255bde1e98e038f55d9cee69ef9d26f868ecac5e1d
Markdownb8407e29a58c9f70cc03eaa7a8d7993ea8545260e18a1fa9d986d062fc12ff0d
PDF
Publication page7b552765a775f319c040849befe0f249ecaf1faf90c4ab13ea5703f0a3d180a3
Manifest8d535f6d77e295a8a2b91b680037c165f32c463afb2678bff19c584f8fbdc7bd

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
SignaturezDU2lp/Jf4qIR4BaHz0mwM6HSmBr9euq2HTaJFNoa7jqfyT11k2jyIQJz70LVkXwPQ++ZV+m7vCimAPQyV0LDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:20:02.891098ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039811
observed 7b552765a775f319c040849befe0f249...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:02.871399ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039811/manifest.json
observed 8d535f6d77e295a8a2b91b680037c165...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:02.852472ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039811/publication.md
observed b8407e29a58c9f70cc03eaa7a8d7993e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:02.835728ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039811/publication.txt
observed fd16ee95e930355c1e8a71255bde1e98...
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.