OpenTechnical

OT-2026-000029841

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, sustained 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-2026-000029841) never changes.

Identity and time

Publication numberOT-2026-000029841 · never reused
Internal UUID01a0ae73-ac47-7c2e-8a51-d1d9472ae6b4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:11.501096Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029841
StatusPUBLIC

Content hashes

Canonical text00887c454939aedd36261d6c9c7059049b6be32fa8553f89a6315600e983e429
Markdownadbe2db5a9e104a49fbfa7494c787aade763fe972babcf39a9b1d4711fb10f72
PDF
Publication page3c18e641dcfb8d0328263e49148386941b94f07e8b25a26751c707fd34a2250f
Manifest40833609f8a6f3e576e5bc8c66445a69dbba656a32f6f2bba35c8002bc15e758

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
SignatureQm26EUYCz2jjs8H/Z3R0OscY8pddGYsr1TTWfITNPiTuOLsFwjgUVlcgT6LEsMGEFoGgew9nRgnJU24LQI+TCg==
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

2026-09-17T11:38:29.496335ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029841
observed 3c18e641dcfb8d0328263e4914838694...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:29.480140ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029841/manifest.json
observed 40833609f8a6f3e576e5bc8c66445a69...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:29.464258ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029841/publication.md
observed adbe2db5a9e104a49fbfa7494c787aad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:29.448319ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029841/publication.txt
observed 00887c454939aedd36261d6c9c705904...
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.