OpenTechnical

OT-2026-000066551

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, 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-2026-000066551) never changes.

Identity and time

Publication numberOT-2026-000066551 · never reused
Internal UUID01a0ae8e-ce41-733a-bfff-fcfe89d76e8e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:49.649149Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000066551
StatusPUBLIC

Content hashes

Canonical text90a1424641ecf6d650b209d96571e59c9f59d1bf1e748c9c2393a86123a2366b
Markdown32b5dfeb22f4a32d61b9f9cdb04cdcf77483e8b91c474b2fb6a810dc16d165d6
PDF
Publication page2d13966015e2822ae25177e95f61fb00a44aadb8e1bebcd499e20af890cccdec
Manifestfb8d87388462369468002d92293a080b47bca2ef810e74a6549aa964862ce12d

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
SignatureF6aK/IW8acs/4GxIavcHv4C0KRgwnNFM1aMPaYVQqiUsblD/+WTyykn4xw6zOTXl5KHwxO/YIWYyWaTJpl52Aw==
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

2026-09-17T10:32:49.174081ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066551
observed 2d13966015e2822ae25177e95f61fb00...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:49.158116ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066551/manifest.json
observed fb8d87388462369468002d92293a080b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:49.139883ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066551/publication.md
observed 32b5dfeb22f4a32d61b9f9cdb04cdcf7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:49.122455ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066551/publication.txt
observed 90a1424641ecf6d650b209d96571e59c...
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.