OpenTechnical

OT-2026-000056149

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, supply line 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-2026-000056149) never changes.

Identity and time

Publication numberOT-2026-000056149 · never reused
Internal UUID01a0ae87-0a4b-7d32-985e-1310c99b04d2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:20.734835Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056149
StatusPUBLIC

Content hashes

Canonical text8cf84044dc0afb2aff753c0880cb4d8ece8fd7c188064879d47b2fc6d3c42fb6
Markdown286b656d0a297a6042b0c162510155bb7d3b3d0fa32d94f111af12360739b0ac
PDF
Publication pagefd897afc39415d23bfc0e3c47f738750ed82db179ee47915a35084c29fec6634
Manifestbd3473925bda281d5de299c8bcd8fda0407465402f0d16c10822194371e2c20e

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
SignaturetO+wJf5FrtaPwKLvuasP1Cen47WsYi2fR9BQYde+TjcasHgRXZmRArZPsBRffRk8GpL8KoHW9EQyOe8l52VMCQ==
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...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:51:42.208576ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056149
observed fd897afc39415d23bfc0e3c47f738750...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:42.191717ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056149/manifest.json
observed bd3473925bda281d5de299c8bcd8fda0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:42.174843ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056149/publication.md
observed 286b656d0a297a6042b0c162510155bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:42.151038ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056149/publication.txt
observed 8cf84044dc0afb2aff753c0880cb4d8e...
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.