OpenTechnical

OT-2026-000071272

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, vented 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-2026-000071272) never changes.

Identity and time

Publication numberOT-2026-000071272 · never reused
Internal UUID01a0ae91-e0ec-7caf-b331-0427f0156bc0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:11.039722Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071272
StatusPUBLIC

Content hashes

Canonical textd064590ea1b127a0d3f92c3e779f8adc9448904ac51b01f725ec26f4fff80291
Markdownafcf510e922d11a227a5ba92bc5d1861c1291423ea5a6d450469bfcdca113c45
PDF
Publication page2fbef15f94c536f7c2650f1cb07190b2aa13ac18c3fc4855aa876a8ff2513489
Manifest03d6fcf95f4a95ae2ab7d5a3185481e04ac64a16a22138e541b1df0e23867147

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
SignaturerjwK3wohJRl2grak85RrWaBdqWbpxspw+1/jbiiv5oWK9fcYsUgYpsLf9DpNPpmVChxbMmT4VGhfq/YV5yPeDQ==
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

2026-09-17T10:24:50.065430ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071272
observed 2fbef15f94c536f7c2650f1cb07190b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:50.046008ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071272/manifest.json
observed 03d6fcf95f4a95ae2ab7d5a3185481e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:50.025759ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071272/publication.md
observed afcf510e922d11a227a5ba92bc5d1861...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:50.008289ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071272/publication.txt
observed d064590ea1b127a0d3f92c3e779f8adc...
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.