OpenTechnical

OT-2026-000079139

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, single stage ejector, pressure sensor per zone, pulsed 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-2026-000079139) never changes.

Identity and time

Publication numberOT-2026-000079139 · never reused
Internal UUID01a0ae95-ccbf-758f-9202-3e989a40a788 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:28.017032Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079139
StatusPUBLIC

Content hashes

Canonical text5cb39466f6321a65969b39a99bd7d442529f32eb474a3740f1ea05833dacbab9
Markdown22cbc8a81c9655b0557ec0266334697a8ac9103f8bd249949323c45f736c3730
PDF
Publication page44b98d4a17e1f840cf59dcade489d45c4ee2956c8f97a0876a7498a7675a9d71
Manifest993415de26a318b9775c46a291e3d5612e084f5b78d1487c12b241a43cfb421b

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
SignatureL3kD+uXr1wW4udS4bu4PWNdqzqjNi8y4MLNTqYNcoAvWKY7arO1p37EQSCigUX2h0GwtKfPZ4aiQC/x+wqR7Bw==
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

2026-09-17T10:05:59.340320ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079139
observed 44b98d4a17e1f840cf59dcade489d45c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:59.320543ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079139/manifest.json
observed 993415de26a318b9775c46a291e3d561...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:59.301500ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079139/publication.md
observed 22cbc8a81c9655b0557ec0266334697a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:59.280825ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079139/publication.txt
observed 5cb39466f6321a65969b39a99bd7d442...
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.