OpenTechnical

OT-2026-000103004

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, three stage ejector, pulsed blow-off after set-down

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-2026-000103004) never changes.

Identity and time

Publication numberOT-2026-000103004 · never reused
Internal UUID01a0aea4-be3d-7114-a3d0-0cb09ed8b0e3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:47.343354Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103004
StatusPUBLIC

Content hashes

Canonical text2c38797aaa3e79a2d90a6eac7f27fa1fcdd708d392609123e42bc1f4691fa6b5
Markdown7561a900a47c9f19dee1100180b1759f59c8236a72e8c48aa15c181389c14331
PDF
Publication paged687b01ee7446fd19e607a2113a13a80d8656a824ebf627e6eca3061cc8c8b13
Manifest718b8a01dcfb1c5d2cb5b8145926656d9921a0e8f7eceb1471466b88e0193a90

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
SignaturefjEJYgVf1YWqAGc5FyTCFLccrb1bVU8iHmKtkysxyk9tA862llGdQzzWMwy/fo5UdApYoWNlKOmrdgFSs2N/Cw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:23:07.217967ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103004
observed d687b01ee7446fd19e607a2113a13a80...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:07.199495ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103004/manifest.json
observed 718b8a01dcfb1c5d2cb5b8145926656d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:07.182955ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103004/publication.md
observed 7561a900a47c9f19dee1100180b1759f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:07.164504ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103004/publication.txt
observed 2c38797aaa3e79a2d90a6eac7f27fa1f...
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.