OpenTechnical

OT-2026-000020653

Publication integrity record

Three cup vacuum gripper, three outlet manifold, three stage ejector, manifold 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-2026-000020653) never changes.

Identity and time

Publication numberOT-2026-000020653 · never reused
Internal UUID01a0ae6f-65e2-71aa-a675-7507e33d8611 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:31.316024Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000020653
StatusPUBLIC

Content hashes

Canonical text1f0a2d3b21802dc258c39d07b4f31d901a21f32a9ea822d8433eefe2357b765c
Markdown218cf54b87b0c8f61602269b6b54fa012f6278c7dc829724085bbf9b7f9b0980
PDF
Publication page8606f9be043ac67675f0847dcc94f9baaf783eb8c2b5d4a1f6836b3f8d40e38c
Manifestf47d6a68f01c1bb81d73aa2656324e9f4583e0947d4343dd638829c1d0843972

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
SignatureZtg78KptRztShjrRrvTeelW+ZapmuFZxUNTTuFKgeOxcRVZxU4g+mU0aVnd49JQoylRxiuZKsHr13fYJ4WuDDA==
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

2026-09-17T11:55:36.398920ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020653
observed 8606f9be043ac67675f0847dcc94f9ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:36.381218ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020653/manifest.json
observed f47d6a68f01c1bb81d73aa2656324e9f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:36.362876ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020653/publication.md
observed 218cf54b87b0c8f61602269b6b54fa01...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:36.344160ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020653/publication.txt
observed 1f0a2d3b21802dc258c39d07b4f31d90...
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.