OpenTechnical

OT-2026-000020064

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, 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-2026-000020064) never changes.

Identity and time

Publication numberOT-2026-000020064 · never reused
Internal UUID01a0ae6f-1fb8-716a-8dcc-91d211685bb5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:13.354643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000020064
StatusPUBLIC

Content hashes

Canonical text733313aebb7b69c452015c5ed5e83af1307ce7bf7b8cb9f305b04e57b4a1af34
Markdown5d1c9142ea3d5a0fd697f8f8b14ed0984e3c55a70c1d980172d51271b5e3c94e
PDF
Publication page28c23501087614f2c761f5734e4423786f391580d9f319c58c31c6445b5d5683
Manifest6b76cb40d0e2251efad9366404dd9fdbb66b783babdfe661df67da02de3cbf51

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
Signature+1Uabv9L7QCju2w3Gu1sNFB2+RYUWm3z2hsvw5KznlHyK8fE+G2D57M+EfoImsfUrTYlP5pHmKvebOdbR0XvAw==
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

2026-09-17T11:58:20.231380ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020064
observed 28c23501087614f2c761f5734e442378...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:20.212154ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020064/manifest.json
observed 6b76cb40d0e2251efad9366404dd9fdb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:20.191864ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020064/publication.md
observed 5d1c9142ea3d5a0fd697f8f8b14ed098...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:20.172226ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020064/publication.txt
observed 733313aebb7b69c452015c5ed5e83af1...
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.