OpenTechnical

OT-2026-000039329

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, 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-2026-000039329) never changes.

Identity and time

Publication numberOT-2026-000039329 · never reused
Internal UUID01a0ae78-9674-75a5-821d-e3c5801577f8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:33.573712Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039329
StatusPUBLIC

Content hashes

Canonical text07c5496d289d0dad2aba4d2abf321e00019f2070ec8100caa250791f0a88a416
Markdown1d5703f0a40d571123fe262f3fdf3799c16bb57bec779a6def6eef0969cf99f7
PDF
Publication pageb2a1c853250d0d726e901ec10d41f8a02503305dbdc1fb7c148b2b467a0ea7ec
Manifestbed584cd1ea509c101f79281930198e7ad53827360798f1c1ac8418d528a25f2

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
Signature6TqRLrKi1RjFqyZOpSbfBhdHQWvC8bSYt5w7h8pwCW6tbVRoBTm1jJQvW8//r1P/KPLRjvZaDTZxG+6KBgapCw==
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

2026-09-17T11:20:55.480534ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039329
observed b2a1c853250d0d726e901ec10d41f8a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:55.463804ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039329/manifest.json
observed bed584cd1ea509c101f79281930198e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:55.446173ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039329/publication.md
observed 1d5703f0a40d571123fe262f3fdf3799...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:55.429933ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039329/publication.txt
observed 07c5496d289d0dad2aba4d2abf321e00...
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.