OpenTechnical

OT-2026-000046523

Publication integrity record

Two cup vacuum gripper, two zone face, per zone isolation, plant vacuum fed, pressure sensor per zone, pulsed blow-off before set-down, on a tool changer

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-2026-000046523) never changes.

Identity and time

Publication numberOT-2026-000046523 · never reused
Internal UUID01a0ae7e-57dd-7454-bb4f-7315ed0dceeb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:31:51.003526Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000046523
StatusPUBLIC

Content hashes

Canonical textff4c87d6b710358f057981acd12934c4312ae65ec2076ac4ed8c0a524e9635f9
Markdownf310b7c1dcc5d9f1a6397606fdf7514636b054d9914f21dea2dea1a6c405d6e5
PDF
Publication page1ac5be427bcdd32cca90caf425e77aaf27de9c6424d695be4bdf0c6306fea4fc
Manifest5ceb8c839975a3fdb4c557a0295e670e024894badeccc1bb92f13f1727fcac1a

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
SignatureP1DkVZoh0KsV6iFx8o3qCfPit5Fv8035QVzZA/wo+K84H6qzMkq5egam7RTM8ZASl6Psy0nn9jOjVhtXrJg4DA==
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

2026-09-17T11:08:34.405520ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046523
observed 1ac5be427bcdd32cca90caf425e77aaf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:34.386366ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046523/manifest.json
observed 5ceb8c839975a3fdb4c557a0295e670e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:34.365420ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046523/publication.md
observed f310b7c1dcc5d9f1a6397606fdf75146...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:34.343506ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046523/publication.txt
observed ff4c87d6b710358f057981acd12934c4...
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.