OpenTechnical

OT-2026-000072351

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, single stage ejector, supply line pressure sensor, 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-2026-000072351) never changes.

Identity and time

Publication numberOT-2026-000072351 · never reused
Internal UUID01a0ae92-47c3-7855-a045-d2ec7831c2de · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:37.365346Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072351
StatusPUBLIC

Content hashes

Canonical text575111f25782bd7a9c2f9b69cf02cde118481280be532491790799dba8220e2d
Markdownc687f0fd483448b63e72f08dee94706d7ad026810f03cfca48e58511d6da5eb9
PDF
Publication page62b562f134bb35adcb8fbcaf801eef595da7143977fe632b9e9d605b248e8ba8
Manifest1186a380eaf2c88d46067c17b2505be404e225d27917d4fb0da48654de871101

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
SignaturegL59TS5fnABi8Kqh58J+95s0BDrM3Qis+U8PdqliBQDijSDhmN5KtQt3H3/IUzDscUeeU9Tem+jVrqKQ1b1kCQ==
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

2026-09-17T10:23:35.085336ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072351
observed 62b562f134bb35adcb8fbcaf801eef59...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:35.069205ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072351/manifest.json
observed 1186a380eaf2c88d46067c17b2505be4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:35.052504ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072351/publication.md
observed c687f0fd483448b63e72f08dee94706d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:35.036217ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072351/publication.txt
observed 575111f25782bd7a9c2f9b69cf02cde1...
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.