OpenTechnical

OT-2026-000063699

Publication integrity record

Foam pad vacuum gripper, two zone face, single stage ejector, pressure sensor per zone, 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-2026-000063699) never changes.

Identity and time

Publication numberOT-2026-000063699 · never reused
Internal UUID01a0ae8c-f946-7766-b037-4fa5e49dc6a7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:49.602795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063699
StatusPUBLIC

Content hashes

Canonical text2b1ae2b6afff10f64b96d1f01106c72b742a352b39999b75bdfb649b43aab75f
Markdown9ee381f300e4a083bc22143b5b7292fba8d597003e3563706e2b7bc897c982f2
PDF
Publication page28aab5df0476d5c116528ea992007c9a496a99c113da375e4c4340e26c091ab9
Manifest5e33a28100bed9e38a9b074c473efd6bf43e54e61ef48626086cc9c9ba0ce017

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
Signature2UVcxkHJukafcWDx+Cb4am0LQL+uDil9O3pGGFM7tv3RILsRuPcw+2mdB2d8m8aedO7TmU5w/jxRkDlIQyvCAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:37:49.225351ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063699
observed 28aab5df0476d5c116528ea992007c9a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:49.206977ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063699/manifest.json
observed 5e33a28100bed9e38a9b074c473efd6b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:49.188290ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063699/publication.md
observed 9ee381f300e4a083bc22143b5b7292fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:49.167522ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063699/publication.txt
observed 2b1ae2b6afff10f64b96d1f01106c72b...
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.