OpenTechnical

OT-2026-000059385

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, vented 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-2026-000059385) never changes.

Identity and time

Publication numberOT-2026-000059385 · never reused
Internal UUID01a0ae89-8615-72d8-a74d-426208ed1a96 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:03.500379Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000059385
StatusPUBLIC

Content hashes

Canonical textcbb55ce80747265384ae9b19891f31fb2094cd81355f779eca4353c6f9d824f9
Markdown8fd4f4b27390e0f9add61bf2ce5115837fc3fbe2faac387a6daf56bb43c323b3
PDF
Publication page71283d53a5b6d9968146c64328a71d41c607e0933b57a6e61bb060a544dd0434
Manifest596286fec5f9ec1d9db5bbe02fb0cdccc3086acddffeeca651db1074d32100ec

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
Signaturetb9np+vnKggQd2LEiN4275S3ZwCgAzUSvkRjYTTuVSoRmdfXHW+iMQVmGXUyXv+u0HHBNoVaVbO8uyhI+do7Aw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:46:03.452765ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059385
observed 71283d53a5b6d9968146c64328a71d41...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:03.434487ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059385/manifest.json
observed 596286fec5f9ec1d9db5bbe02fb0cdcc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:03.417303ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059385/publication.md
observed 8fd4f4b27390e0f9add61bf2ce511583...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:03.398718ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059385/publication.txt
observed cbb55ce80747265384ae9b19891f31fb...
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.