OpenTechnical

OT-2026-000018166

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, supply line 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-2026-000018166) never changes.

Identity and time

Publication numberOT-2026-000018166 · never reused
Internal UUID01a0ae6e-b488-7c08-bbd3-d44f39532afc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:45.971508Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018166
StatusPUBLIC

Content hashes

Canonical textd1c9a600ef03f0f2c2ffd6d49e76f3cf76ef580fbb6ea7fa2b3084b6ec43cd98
Markdownf854862fe9b52d20cc7e7b57daf5aa2c366e2a19057890b62ca77275709fd2b6
PDF
Publication page48bb72fada2edc96c2e07d149086a61e37ea02652a34d9cf3a6bb5bbdae0f42a
Manifestee71f15ae5372882286c69c98118a0d91ca04a683c70f179880eb15188e12dc3

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
SignaturenOA7zEYkmDmKfz9lD62emb+l0luEpUWgXEt5Skg4kg6gjnJU8Hj5a4eXSpqmzkypCBeHl4PjPMr0r3b4h489Dg==
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

2026-09-17T11:59:56.040542ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018166
observed 48bb72fada2edc96c2e07d149086a61e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:56.020632ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018166/manifest.json
observed ee71f15ae5372882286c69c98118a0d9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:56.001912ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018166/publication.md
observed f854862fe9b52d20cc7e7b57daf5aa2c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:55.981620ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018166/publication.txt
observed d1c9a600ef03f0f2c2ffd6d49e76f3cf...
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.