OpenTechnical

OT-2026-000022296

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, two stage ejector, manifold 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-2026-000022296) never changes.

Identity and time

Publication numberOT-2026-000022296 · never reused
Internal UUID01a0ae6f-f4fc-7268-ad92-9737a06914c9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:07.953226Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022296
StatusPUBLIC

Content hashes

Canonical text256c403b04e183ba2d05ef1589c2264abebcabf74bf25b5f6e1ee3f56c6f1529
Markdown6a01b2fd8ee0f29ebebccf3098642300c2fb0a36f317b6d8f7d98fa670ab205b
PDF
Publication page9ff07ff860c55bf57f0289eb68353a3e44bf3ade7b014d58019dc904dd3f3bbd
Manifest316715ef2a0363c2075f9156b0c5c27435cda8757062bb92a7bf3d5b65de20d0

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
Signature40O8ZsWIKI0vRJVZCQzIavgwra6P/duKhVV/WDRCyU4liN9UD/umG+lZKkvrMVEEfGlwOHepur3cFX0joWAeCg==
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

2026-09-17T11:53:05.966672ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022296
observed 9ff07ff860c55bf57f0289eb68353a3e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:05.949671ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022296/manifest.json
observed 316715ef2a0363c2075f9156b0c5c274...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:05.931849ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022296/publication.md
observed 6a01b2fd8ee0f29ebebccf3098642300...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:05.913682ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022296/publication.txt
observed 256c403b04e183ba2d05ef1589c2264a...
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.