OpenTechnical

OT-2026-000063428

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, pump fed, manifold pressure sensor, sustained 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-2026-000063428) never changes.

Identity and time

Publication numberOT-2026-000063428 · never reused
Internal UUID01a0ae8c-f944-7705-8e9b-5e7acf887dfe · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:49.602795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063428
StatusPUBLIC

Content hashes

Canonical text4d46dc64fb020210d800a8bf183d869e1e90d2545ef20f507336da4e3b61b4de
Markdown18a4fb0afae0ca1b31cdd6d3e9cb16787bcaa64969345f29b00a2e2c81e37e8a
PDF
Publication pagece93ff045bf69cc94b823c916d537307c22f652fa1c5b5033fb153b5e89a3427
Manifest808072d048d256f86e45dfd209f67640edc882034de3b94df5c65e1201756403

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
SignaturetIzDsS+/A0OBrD27A8gTL/Qp3E2Inrms/mAiUuEIepSd80zB9DwljuJVo1Rq3JNr4Htd21oA+bG8H0FCfeQvCQ==
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

2026-09-17T10:37:21.196404ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063428
observed ce93ff045bf69cc94b823c916d537307...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:21.179777ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063428/manifest.json
observed 808072d048d256f86e45dfd209f67640...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:21.160298ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063428/publication.md
observed 18a4fb0afae0ca1b31cdd6d3e9cb1678...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:21.141373ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063428/publication.txt
observed 4d46dc64fb020210d800a8bf183d869e...
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.