OpenTechnical

OT-2026-000046644

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, pump fed, supply line pressure sensor, pulsed blow-off after 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-2026-000046644) never changes.

Identity and time

Publication numberOT-2026-000046644 · never reused
Internal UUID01a0ae7e-57de-7c6a-8eab-563ae0d500ac · 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-2026-000046644
StatusPUBLIC

Content hashes

Canonical text78f69530d873a258b824486106273edf34d2fa677b2a1508123ed1c082c4430b
Markdownd2533134880105d004cb592844273a5b903475c309076ca0c8e30dce73ccf0ee
PDF
Publication page1031f5d097681c5ffe2c4528c8aab84d3f80bfa8df65c8b6306b82720b87d90b
Manifest92f9a15eb1c3cd25bc61da366abc3bb06d4cf710b27e84d40aeddb630c85e706

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
SignatureiW9jOFfBM9tJXpLesVQwQdT3bsoaM4HwzwrE+xShJ7GtFco1v0iUYOafvnPe0Dsdm63MuW/sBuNq0ODAQiadDA==
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

2026-09-17T11:08:44.096656ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046644
observed 1031f5d097681c5ffe2c4528c8aab84d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:44.080530ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046644/manifest.json
observed 92f9a15eb1c3cd25bc61da366abc3bb0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:44.061828ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046644/publication.md
observed d2533134880105d004cb592844273a5b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:44.042509ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046644/publication.txt
observed 78f69530d873a258b824486106273edf...
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.