OpenTechnical

OT-2026-000065441

Publication integrity record

Six cup vacuum gripper, six outlet manifold, pump fed, manifold pressure sensor, vented after set-down

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-2026-000065441) never changes.

Identity and time

Publication numberOT-2026-000065441 · never reused
Internal UUID01a0ae8e-46f9-75eb-b425-0f3b392fcace · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:15.018480Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000065441
StatusPUBLIC

Content hashes

Canonical text276d2b0b7c8cd2c7faf290b95cf1dd3ff8ef3a9a7d66404cc2b5191dded6c2a0
Markdownc4b69b4895fe9e550cdda99fc275173b8c318d52a30eda4a6f2dd5a001c6c7cc
PDF
Publication page86613807d7301db300eeae7c0e5715fdbfed490b4edce38cec72fa061418a6af
Manifest87c067321aa93aa3349a00a5cecc04846e343b7b78fd6052397de4cc93fc0581

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
SignaturemNoAp2ZVK2IAlezbxOz2nedTftja4SmohWJT402uYyQC1Z8dpFHyTPolv4foHsJFhx6VK3I6KxPxwT3KhV1UBA==
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

2026-09-17T10:33:43.056281ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065441
observed 86613807d7301db300eeae7c0e5715fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:43.039619ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065441/manifest.json
observed 87c067321aa93aa3349a00a5cecc0484...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:43.022297ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065441/publication.md
observed c4b69b4895fe9e550cdda99fc275173b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:43.001094ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065441/publication.txt
observed 276d2b0b7c8cd2c7faf290b95cf1dd3f...
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.