OpenTechnical

OT-2026-000016237

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, pump 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-2026-000016237) never changes.

Identity and time

Publication numberOT-2026-000016237 · never reused
Internal UUID01a0ae6e-2d11-7918-943c-fcaa9e7a2d64 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:11.237946Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016237
StatusPUBLIC

Content hashes

Canonical textebe3b577f77cef53975155e5059e522c903cc44ad7f1661fd03daec7e505d0ab
Markdown00ab121bc24862630b601c7c3cbd7f400e567fea6e8dc72827826119758ff41a
PDF
Publication page4ea3778262b48b991012ec163b3360f39fc6eea5aae5a2d97fa039dfeb72bb7b
Manifest3ef89b4f3504359afc7925f5e7218ed5cb93ab0facc1debf02080da3849d62e2

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
SignaturePDdyX1NA1WOP/7WpNkot9Zvuv8HlA3wWQLoelckFkOJ743euX4jppmzLET6xnf8QoJ2eyo8yyU4taG6KO2T0AQ==
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

2026-09-17T12:03:42.308775ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016237
observed 4ea3778262b48b991012ec163b3360f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:42.291227ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016237/manifest.json
observed 3ef89b4f3504359afc7925f5e7218ed5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:42.272010ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016237/publication.md
observed 00ab121bc24862630b601c7c3cbd7f40...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:42.252319ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016237/publication.txt
observed ebe3b577f77cef53975155e5059e522c...
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.