OpenTechnical

OT-2026-000018870

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, three stage ejector, manifold pressure sensor, 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-2026-000018870) never changes.

Identity and time

Publication numberOT-2026-000018870 · never reused
Internal UUID01a0ae6e-d522-7ff0-b434-6b5fa46da935 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:54.261386Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018870
StatusPUBLIC

Content hashes

Canonical text84304b3cb17f8a0db04426b441a25d953c63d642559e599a7c8daae1de45678a
Markdown803cdfe679c5ff70ee30ee3b406a58c5fe88b4eb6ebb4483997bed1a95e946de
PDF
Publication page91837d6db01f022cdd1357d6eee5e1edcfede27cc4051610666960b534ef118a
Manifest46bad317784999608d781d835d45a372d99309b82d4eb1ff95849ee56ddd13c6

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
SignatureH83BWWjnZy4IZP7vOYV9ArDAYszpywl3K85yuV2pdsAq42XKVIiy53U5jDlNDRsYJ0Rt9FFUO1+bxH5C0U9mBw==
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

2026-09-17T11:59:31.099865ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018870
observed 91837d6db01f022cdd1357d6eee5e1ed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:31.080042ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018870/manifest.json
observed 46bad317784999608d781d835d45a372...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:31.062212ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018870/publication.md
observed 803cdfe679c5ff70ee30ee3b406a58c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:31.043774ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018870/publication.txt
observed 84304b3cb17f8a0db04426b441a25d95...
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.