OpenTechnical

OT-2026-000030012

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, two stage ejector, sustained blow-off before 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-2026-000030012) never changes.

Identity and time

Publication numberOT-2026-000030012 · never reused
Internal UUID01a0ae73-ac49-79b9-a14d-2608ba33e538 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:11.501096Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030012
StatusPUBLIC

Content hashes

Canonical text07e232c5afef5296fff8b2733effc88549190c3039c4e8650771ebf39cc29dcd
Markdowned10321123dc43b74c1031f79c768d0f8b4e68dab39fc031c5f88dc02efe061e
PDF
Publication page2282a82aaf7225a82946014ac9c2d1d42d698394afea1388260ccba6ecfb9487
Manifest233c36758d5fdffc023395d167028519f6af45cfa66e6606ac52a727661d18e9

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
SignatureUNhxc3dut8um62YTYIU4Sp4561kDr7FyOw5CWIZoXmPWC4FW96Jt30tgS1DkORX6ZnVQCw+E8N2pHYlH9vyVAg==
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

2026-09-17T11:38:44.678535ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030012
observed 2282a82aaf7225a82946014ac9c2d1d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:44.663737ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030012/manifest.json
observed 233c36758d5fdffc023395d167028519...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:44.647231ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030012/publication.md
observed ed10321123dc43b74c1031f79c768d0f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:44.628612ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030012/publication.txt
observed 07e232c5afef5296fff8b2733effc885...
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.