OpenTechnical

OT-2026-000017925

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, two stage ejector, supply line pressure sensor, 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-2026-000017925) never changes.

Identity and time

Publication numberOT-2026-000017925 · never reused
Internal UUID01a0ae6e-96fc-7827-a3c8-55b0fb70855e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:38.350302Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017925
StatusPUBLIC

Content hashes

Canonical text7142efa553de25d2eab3f755bcec8aaff70158ac96b9f89af176a9ec8194db23
Markdown3063c2ff6c96217cc60791a71a36267ee7799834805a0633805ded12f9e97e4b
PDF
Publication pageab420f85a73c0e0b08f2047811bc24ac3c51dad08a293673058f95a2c31fcb89
Manifest990c4880124a8e19aa2ba2cd7970a010f3f97d3545f719368ef9f2d16713c73d

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
Signatureq6HbmiIAZvuHXj0csBgArk4yxiOHP+BUq25kQbGeMhVtqVWS7zZdUCqjNtFp+xgyPiZHwTvIjl8zLN3C6QukBw==
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

2026-09-17T12:01:55.160383ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017925
observed ab420f85a73c0e0b08f2047811bc24ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:55.145171ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017925/manifest.json
observed 990c4880124a8e19aa2ba2cd7970a010...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:55.128789ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017925/publication.md
observed 3063c2ff6c96217cc60791a71a36267e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:55.111246ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017925/publication.txt
observed 7142efa553de25d2eab3f755bcec8aaf...
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.