OpenTechnical

OT-2026-000025805

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, supply line pressure sensor, sustained 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-2026-000025805) never changes.

Identity and time

Publication numberOT-2026-000025805 · never reused
Internal UUID01a0ae71-a83e-7f28-823b-427001f61d5b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:59.376802Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025805
StatusPUBLIC

Content hashes

Canonical textb1229e4940f5ca5fa228b1eedc3aecfa700108ca2f6626ba107743d9209ed14c
Markdown59ec47f32aee9808c1bca9e73cf3d606dbb4491ffd4a9179733371cd9e4b642b
PDF
Publication page5cb23a30e5dd5e6a25d659c3ef681833d5c7ed53ec432eb0c51464ba575af375
Manifestbe316bedc35693d13a5537eeb7456fe77c2bf75682429b28b24d2a4a45d7e74d

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
SignatureUtBMexew8f6sC9+06DrZlLDpsO7UI5gaOGCA7tweJkN3JwURGPko+WSiA47TIyXxpNMvwG2WT42+44NSd58IDw==
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

2026-09-17T11:46:01.065639ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025805
observed 5cb23a30e5dd5e6a25d659c3ef681833...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:01.048478ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025805/manifest.json
observed be316bedc35693d13a5537eeb7456fe7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:01.031425ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025805/publication.md
observed 59ec47f32aee9808c1bca9e73cf3d606...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:01.014321ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025805/publication.txt
observed b1229e4940f5ca5fa228b1eedc3aecfa...
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.