OpenTechnical

OT-2026-000040400

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, sustained blow-off before set-down, on a tool changer

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-2026-000040400) never changes.

Identity and time

Publication numberOT-2026-000040400 · never reused
Internal UUID01a0ae79-2701-7afe-a542-22b54bd86063 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:10.588850Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000040400
StatusPUBLIC

Content hashes

Canonical textda11af8f0ebc67b4791b476601c79b6eaec1eb71d157598a723bd8286de96eb1
Markdown31cfe16f68173a1439086d7f5e65c5b331ef0d5904d8a78ad60a5c5c7ac7feca
PDF
Publication pagec62c5ea2676ed10cd01d41b1159393389b0c23a888ec9693586b91d37004c672
Manifest65cae93c9fc26b819f93ce3cbc6d56b5c15c33cd29fa5eccd5954aab2964dbbe

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
Signature4Xx2xD9W1fGzTKcZrl0aBA3GlI4IkZx8YxMpOEkCRtPbVJ76FEbUrx8vYhZhRP7N5GhQCK8ns8z1XmoG1m2mCg==
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

2026-09-17T11:19:25.919202ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040400
observed c62c5ea2676ed10cd01d41b115939338...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:25.900534ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040400/manifest.json
observed 65cae93c9fc26b819f93ce3cbc6d56b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:25.883699ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040400/publication.md
observed 31cfe16f68173a1439086d7f5e65c5b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:25.862901ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040400/publication.txt
observed da11af8f0ebc67b4791b476601c79b6e...
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.