OpenTechnical

OT-2026-000030614

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, sustained 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-2026-000030614) never changes.

Identity and time

Publication numberOT-2026-000030614 · never reused
Internal UUID01a0ae74-3fb2-7ce0-85ef-9d1a047d4b8c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:49.275361Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030614
StatusPUBLIC

Content hashes

Canonical text1824a64a39790c3118dc869a24665bf4d3637e28408c627af8f9276f9cdea529
Markdown39f805d5a888792cf3e98bb3831c8737238bd7097ee254e0130ff94427b6d8e8
PDF
Publication pageda048fca2d45718e6e7da0a52e74074a4038a1bedc3fff4b650806ba4274761b
Manifestd0e1f7e025dcf77729774242d61f3d78e13f82b2f67ee861cbfb48cbeaecae6b

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
SignatureedISSc0xiuTXpd6e06tOQ43Of7QrURHFryxrS1EVKkm6bNu7qlbahgtri/v2HhuD1eqATdRO6gYhD1coCxUrCA==
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

2026-09-17T11:36:29.012827ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030614
observed da048fca2d45718e6e7da0a52e74074a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:28.995653ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030614/manifest.json
observed d0e1f7e025dcf77729774242d61f3d78...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:28.978387ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030614/publication.md
observed 39f805d5a888792cf3e98bb3831c8737...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:28.954564ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030614/publication.txt
observed 1824a64a39790c3118dc869a24665bf4...
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.