OpenTechnical

OT-2026-000022744

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, pulsed 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-2026-000022744) never changes.

Identity and time

Publication numberOT-2026-000022744 · never reused
Internal UUID01a0ae70-46ea-7134-92cc-a9db1a5bfdd6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:28.929798Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022744
StatusPUBLIC

Content hashes

Canonical text55830ec5a2c3caf1168e614bf2b0bc5e438b2555406efeddaae4ea7c478a6e0d
Markdown7fbdbfc444dc1571b1c4156820851ca644f378950d8261a0b1633e9ccce6b4fe
PDF
Publication page7c7d8cac83d954874eecfcbd7516646ba831ac0c6c58c339e1b484a503e7359c
Manifest64bd73399a55d246a8f070cb320bc17a5675c89b8be832b96520b6e4a7aa5c0f

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
SignatureALyKoxGxRw2HyQ9xZf1HWtPMOM146ReSPEiqKZPeMs6rSUNLg4Si3HrtTU8MC2hld+699mhO1StVnT1hAj1BBQ==
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

2026-09-17T11:52:15.074550ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022744
observed 7c7d8cac83d954874eecfcbd7516646b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:15.013899ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022744/manifest.json
observed 64bd73399a55d246a8f070cb320bc17a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:14.981182ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022744/publication.md
observed 7fbdbfc444dc1571b1c4156820851ca6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:14.963548ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022744/publication.txt
observed 55830ec5a2c3caf1168e614bf2b0bc5e...
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.