OpenTechnical

OT-2026-000017714

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, pump 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-2026-000017714) never changes.

Identity and time

Publication numberOT-2026-000017714 · never reused
Internal UUID01a0ae6e-96fa-7afc-9940-ba7cfbd4035e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:38.350302Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017714
StatusPUBLIC

Content hashes

Canonical textdfe1ba0148ccec6c87d7d2642379a974bc8a901305ca342dafebb7abce76f851
Markdown2b9dd513879c3aea7711302a44aa31531f87b4cb74a127bc312d8575e74ccfd1
PDF
Publication page92543adab98ae01d8c3254c21d3639e00a29b181ac55a98b13ee9130379371aa
Manifest16cf8e713a7dadd4455940324f1b53790596046655ac7f6ded26898cfdc93b7b

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
SignaturepnaK42UejigR3qoxIT0Dsj+T5iQfQklwY39xn2ZNr/ZZuqFn58jM2VW5n0ETO0uBjcdZhfzmZmli58We+gHnBA==
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

2026-09-17T12:01:39.993579ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017714
observed 92543adab98ae01d8c3254c21d3639e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:39.978063ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017714/manifest.json
observed 16cf8e713a7dadd4455940324f1b5379...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:39.962638ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017714/publication.md
observed 2b9dd513879c3aea7711302a44aa3153...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:39.946569ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017714/publication.txt
observed dfe1ba0148ccec6c87d7d2642379a974...
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.