OpenTechnical

OT-2026-000077621

Publication integrity record

Two cup vacuum gripper, two zone face, two outlet manifold, plant vacuum fed, pressure sensor per zone, pulsed blow-off before 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-2026-000077621) never changes.

Identity and time

Publication numberOT-2026-000077621 · never reused
Internal UUID01a0ae95-2ece-7b24-ab2d-bd7bb0d67439 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:47.703064Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077621
StatusPUBLIC

Content hashes

Canonical textb2f3bd74eb16c59f06990a4f5cfb9521ed360a8ce0595c4fe9df9fb3411490d9
Markdown41a3a19a82fb9baf09ab19eff5c5248352c2a929cf7ee3896be10dd4d62d784d
PDF
Publication page504778853e4e1312e86620c7696421523618d81d420785dfa0fcedeb61a74796
Manifestbae2972b6a54a36a314af1cb41c969a333a463e5336a5eb0c15435c8f6035c44

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
SignatureHHMDkW86uc6zPDN0vPLH57BHDJCQ7Nv8h8uvEZDx2UtCx3QYjJun19dZnvLymiJYEyHWlmZtkKnehlgvrjoGCg==
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

2026-09-17T10:07:11.010786ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077621
observed 504778853e4e1312e86620c769642152...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:10.990922ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077621/manifest.json
observed bae2972b6a54a36a314af1cb41c969a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:10.970440ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077621/publication.md
observed 41a3a19a82fb9baf09ab19eff5c52483...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:10.952093ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077621/publication.txt
observed b2f3bd74eb16c59f06990a4f5cfb9521...
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.