OpenTechnical

OT-2026-000035897

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, manifold pressure sensor, pulsed blow-off 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-2026-000035897) never changes.

Identity and time

Publication numberOT-2026-000035897 · never reused
Internal UUID01a0ae76-b4c9-7620-9276-53011123aabf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:23:30.265572Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000035897
StatusPUBLIC

Content hashes

Canonical text9f4ce0897b332bf0c6d1ed7753c6633e46a93b51b2f355353b25e1dca917e2f0
Markdowndd9a3e48af6756a9fccb6eaa8ff4a9f47c464eda0f23f0bfcf8ce7e7a9926120
PDF
Publication page962e47abe578f59374c80f46de9f497248477b6ec33de5f0018c1d9c45b17aaa
Manifestfb9a79af09f16175de0a108e986bc594e77a884a396ca46a259ced019cdf9ccb

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
SignaturedMWSV2C2wjHEd5TiiAWwbKdhHr/+3i6ZFspG73JGqUCANogAgxXJkYAsShQEiMCJemtEh/xEsZ+lcE9T4MUQDA==
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

2026-09-17T11:27:44.034514ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035897
observed 962e47abe578f59374c80f46de9f4972...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:27:44.011408ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035897/manifest.json
observed fb9a79af09f16175de0a108e986bc594...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:27:43.993471ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035897/publication.md
observed dd9a3e48af6756a9fccb6eaa8ff4a9f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:27:43.974757ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035897/publication.txt
observed 9f4ce0897b332bf0c6d1ed7753c6633e...
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.