OpenTechnical

OT-2026-000039695

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, two 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-2026-000039695) never changes.

Identity and time

Publication numberOT-2026-000039695 · never reused
Internal UUID01a0ae78-d8d5-7781-9484-939d13d44d09 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:50.683051Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039695
StatusPUBLIC

Content hashes

Canonical text459f63f46a04071aa471d1ab27f5fadd1fe9fe0f10f51541cfaf16eb6fbc3cb4
Markdown9fd478cc22746df861d9f0ec14e537fc54586051be9a68b97dbe106071a97af8
PDF
Publication pageb9b5b09c9b8e9448dfbf18a8da8aae407d456d9e0aa943cb5a610d5e50be3e84
Manifest2c05353ce5847d66597988b2707c8bcb11d79e0bba2a3a9bda1deca8256250f3

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
SignaturektENPx7DCYuGIe4lXC3mb4SRvCCR4smzP+nQjIxBxkWWA4l4lt8rBNDitaLZAqDUMmUarZRKQ4Eysyf99mvIDA==
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

2026-09-17T11:19:53.337416ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039695
observed b9b5b09c9b8e9448dfbf18a8da8aae40...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:53.320125ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039695/manifest.json
observed 2c05353ce5847d66597988b2707c8bcb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:53.302082ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039695/publication.md
observed 9fd478cc22746df861d9f0ec14e537fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:53.284405ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039695/publication.txt
observed 459f63f46a04071aa471d1ab27f5fadd...
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.