OpenTechnical

OT-2026-000039481

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, three 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-2026-000039481) never changes.

Identity and time

Publication numberOT-2026-000039481 · never reused
Internal UUID01a0ae78-9675-7096-b7ef-0fc48d8ab5f7 · 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-2026-000039481
StatusPUBLIC

Content hashes

Canonical text9a3dd43a5ce328de6630e85996694ed8d0e647f12f93c29ecb679d3bb59db720
Markdown0c2308c4c7047616f2d87fca00864a3340478c45f99391ea5246187d271b6ce8
PDF
Publication pagebb4c369edc82100b532399831bd295785687dbe42026b5d7ba80e11cefdc3c33
Manifest7a93b33bb802d13ab411622208c8fee2ae4f2ddd43dc36577ffaa3febb8d38a4

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
SignatureQrEdkzNQ3QMc6KbXOWlp/hMuilvk0548x/xDoUZ8aKCnYJmV/V/pxleDj3boxdIyu5EFYI1ADXdom3YO8XT2Dg==
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

2026-09-17T11:21:06.395341ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039481
observed bb4c369edc82100b532399831bd29578...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:06.380653ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039481/manifest.json
observed 7a93b33bb802d13ab411622208c8fee2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:06.363784ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039481/publication.md
observed 0c2308c4c7047616f2d87fca00864a33...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:06.345841ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039481/publication.txt
observed 9a3dd43a5ce328de6630e85996694ed8...
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.