OpenTechnical

OT-2026-000020377

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, 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-2026-000020377) never changes.

Identity and time

Publication numberOT-2026-000020377 · never reused
Internal UUID01a0ae6f-437b-7acc-a2a9-d9aaf2744c54 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:22.507199Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000020377
StatusPUBLIC

Content hashes

Canonical textb0cc226dd78d2498ab4f3c0caf881debf96d44de607440d5fb7ade4a8283c433
Markdownd409003fb4df0753bd94b7f9603d8bbd7ef4250a1b6647145103c4c715ae947d
PDF
Publication page95cd45640d255bcf75ec6408764ee2ab29ffd3f3b3c8413cd35e3351888448f5
Manifest6905ae3dab0811af8cd3a3eeed097b96ac2264ca9e3678e11afd2baa2289d549

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
Signatureasm9czzctrNwS6XDhbAqYQ/b7JGNqM/4RIwctORALkzd6E1Y/izGw67DESJLncmCXm/wYb3F2Q7kGO+csDiQCQ==
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

2026-09-17T12:00:15.676318ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020377
observed 95cd45640d255bcf75ec6408764ee2ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:15.656182ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020377/manifest.json
observed 6905ae3dab0811af8cd3a3eeed097b96...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:15.634536ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020377/publication.md
observed d409003fb4df0753bd94b7f9603d8bbd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:15.612781ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020377/publication.txt
observed b0cc226dd78d2498ab4f3c0caf881deb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:20.695130ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020377
observed 95cd45640d255bcf75ec6408764ee2ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:20.678632ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020377/manifest.json
observed 6905ae3dab0811af8cd3a3eeed097b96...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:20.656305ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020377/publication.md
observed d409003fb4df0753bd94b7f9603d8bbd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:20.638354ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020377/publication.txt
observed b0cc226dd78d2498ab4f3c0caf881deb...
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.