OpenTechnical

OT-2026-000008360

Publication integrity record

Foam pad vacuum gripper, common isolation valve, pump fed, supply line pressure sensor, vented 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-2026-000008360) never changes.

Identity and time

Publication numberOT-2026-000008360 · never reused
Internal UUID01a0ae6a-e469-7b96-8ee7-f6b74d97fc3e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:36.030441Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008360
StatusPUBLIC

Content hashes

Canonical text35afb923e866a8268ca34e51db75a1f53a0f69fbc15a969c35a6d02d0989f2f4
Markdownf17b607bfbfae613ce31425f96572a2150307e21903ee45f401b52b9acae3d36
PDF
Publication page91eca482f98c70d660cef18ef91f7365eebec46e4da0a062392ba62970e30d6b
Manifest56d4d7f096497eb40193f9c6a4099344e8681869c93ab435d4943c863e7f3ef4

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
SignatureF9dMqwObpTE7vf5PSc4qrCoJuAbT8ylUZtlPai0E9Dtc5Jp/AVeT6XXpdyIoV4wXxbkrzrVzNYk7/bJgDnGoDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:18:05.934617ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008360
observed 91eca482f98c70d660cef18ef91f7365...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:05.916298ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008360/manifest.json
observed 56d4d7f096497eb40193f9c6a4099344...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:05.861267ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008360/publication.md
observed f17b607bfbfae613ce31425f96572a21...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:05.798880ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008360/publication.txt
observed 35afb923e866a8268ca34e51db75a1f5...
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.