OpenTechnical

OT-2026-000020617

Publication integrity record

Three cup vacuum gripper, three outlet manifold, two 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-2026-000020617) never changes.

Identity and time

Publication numberOT-2026-000020617 · never reused
Internal UUID01a0ae6f-65e1-72fa-a515-2d17f0dd663f · 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-2026-000020617
StatusPUBLIC

Content hashes

Canonical textcb30577234679c22e33ea8657d9d8b4e99deb48fc9578739c4a3826ff086c305
Markdown1897a093304fb93d2114d1c892b99d409d70fabeacbee1a0b0bbb09134ad78a6
PDF
Publication pagec82ca95b74e904269d7a68711418f2b4d3f80fddb8ab356d1d409f0f554366bd
Manifestdf5fc3f0c9de6b9ab8c654beeb54bf790c5c82578955f6663b4b38ad9908c22b

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
SignatureqxoTAis2gtqRYTuBhgB+JL1DWBim1pd9s3hEgDhH8TchmS28Ekz5/1QvgMH9kRUJZSrVshoh8xn3UUcn2cqDAA==
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

2026-09-17T11:55:31.912611ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020617
observed c82ca95b74e904269d7a68711418f2b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:31.893178ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020617/manifest.json
observed df5fc3f0c9de6b9ab8c654beeb54bf79...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:31.778497ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020617/publication.md
observed 1897a093304fb93d2114d1c892b99d40...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:31.681281ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020617/publication.txt
observed cb30577234679c22e33ea8657d9d8b4e...
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.