OpenTechnical

OT-2026-000036689

Publication integrity record

Three cup vacuum gripper, three outlet manifold, plant vacuum fed, supply line pressure sensor, pulsed blow-off after 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-2026-000036689) never changes.

Identity and time

Publication numberOT-2026-000036689 · never reused
Internal UUID01a0ae77-46e8-7434-b9ec-268179ae94a3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:07.671965Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000036689
StatusPUBLIC

Content hashes

Canonical text018c4ecca1f39c971b3bc9898c8edcd40494f998196e73d8386c8fa396d39666
Markdown59216677c2756525ae8b492599b5ed194f53acd9b9758ba2d3997f41dfa46228
PDF
Publication page728da38be51d5bbb7e4f9b180a4a316fd1a0d6f1c1d7a2418bbcb61ea1238ddd
Manifestb20e3447e0998b6df1c2a6e49a18c85fbc610a45bb821719e0d196a5c143bc2c

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
SignaturevqS/Rd4qFi1dDT+Y/trANDc3k6kG1P2ADsF3R2WeClrWFgbt7qHVPwrHgL02ZFOU/zakOb6n+SnkvF2H0Yp0BQ==
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

2026-09-17T11:26:02.783121ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036689
observed 728da38be51d5bbb7e4f9b180a4a316f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:02.765741ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036689/manifest.json
observed b20e3447e0998b6df1c2a6e49a18c85f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:02.749370ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036689/publication.md
observed 59216677c2756525ae8b492599b5ed19...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:02.732748ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036689/publication.txt
observed 018c4ecca1f39c971b3bc9898c8edcd4...
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.