OpenTechnical

OT-2026-000069047

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, plant vacuum fed, pressure sensor per zone, 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-2026-000069047) never changes.

Identity and time

Publication numberOT-2026-000069047 · never reused
Internal UUID01a0ae90-6dce-7e14-b902-f8f1857f17d4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:36.025578Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069047
StatusPUBLIC

Content hashes

Canonical texte93cd76b95945dd93ba5d30728be461da8defc7253f9b2dcdf52d593299ddd1c
Markdown021c9aded45442ed2e06f47bd275f9d9125fd5ddc688fad0caf00fcc5ca7ef7b
PDF
Publication page7c260406d1eb0d0d6f9899bc5031b11dd00301d39c5dc27c24193751687c7732
Manifeste3628c0745cf7e5dcdc965d5a66c08e2b7d3e06f5ff5a1bba2d6575007228598

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
SignatureAtNfgcO6VliWPdb4ByoaVXM7CQNZAiQhBwMn1k6sv36K2ezto87TaGM6C6LWZVipV5rzkRK/otIx88HQSc12Cw==
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

2026-09-17T10:28:54.509678ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069047
observed 7c260406d1eb0d0d6f9899bc5031b11d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:54.492886ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069047/manifest.json
observed e3628c0745cf7e5dcdc965d5a66c08e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:54.476802ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069047/publication.md
observed 021c9aded45442ed2e06f47bd275f9d9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:54.459409ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069047/publication.txt
observed e93cd76b95945dd93ba5d30728be461d...
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.