OpenTechnical

OT-2026-000029458

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, three stage ejector, supply line 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-2026-000029458) never changes.

Identity and time

Publication numberOT-2026-000029458 · never reused
Internal UUID01a0ae73-5e21-7bd1-b96f-494384df12c0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:51.545382Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029458
StatusPUBLIC

Content hashes

Canonical textd0796204dc3eb33a64487bc390abdd7687b26e06498441d5d93dfdd249495919
Markdownb8eb5ea728dc2174d304e9ee1073377375f718f54d09b9b90fe70050c9ea04e0
PDF
Publication page7cebcd8bb4384c16c0f8b529fe57a225f130ee15f355c027bbb2333646faa904
Manifest327a213779070ff03e118e959159bee7d85fb8120cb3889db968eda2dd0aa93b

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
Signaturej4B2Np1jb3P56x9LQFnuD0UY8ETO46IOO96d87HKMg6C7vV0V1iwlKlkhyoQWrCj47mHdvBAQqauz6glUoIuCQ==
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

2026-09-17T11:39:04.705939ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029458
observed 7cebcd8bb4384c16c0f8b529fe57a225...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:04.689169ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029458/manifest.json
observed 327a213779070ff03e118e959159bee7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:04.672537ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029458/publication.md
observed b8eb5ea728dc2174d304e9ee10733773...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:04.654304ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029458/publication.txt
observed d0796204dc3eb33a64487bc390abdd76...
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.