OpenTechnical

OT-2026-000032808

Publication integrity record

Three bellows cup vacuum gripper, three 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-2026-000032808) never changes.

Identity and time

Publication numberOT-2026-000032808 · never reused
Internal UUID01a0ae75-4841-7c1f-8afd-d1c8f334a0c5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:57.065765Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032808
StatusPUBLIC

Content hashes

Canonical text6f902a6f157c1b3c3531aae8a4b8fbbb55543f5e5e8b5848e511e8ad7bd040bb
Markdown271d0337e929e4a12c3764ea47aadaa78896607cc04f2793c461f69dac6e3221
PDF
Publication page974440f052f0e3d36dce4fc845866b46029b57dda415c9869676e7ccd4f12f9b
Manifestc18c7398db28a9c62e070820fc7a39c3916a831d4f292003294d1de0385a1b0b

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
Signature/njpghNlGkJh2yAd49EozZC1KWe2umQfbR3QmJf8TTKMubvAE7VQcib6FkM+ATv+UNliYRQ6pDTrZmWfawk4AA==
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

2026-09-17T11:32:15.523605ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032808
observed 974440f052f0e3d36dce4fc845866b46...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:15.505630ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032808/manifest.json
observed c18c7398db28a9c62e070820fc7a39c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:15.488712ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032808/publication.md
observed 271d0337e929e4a12c3764ea47aadaa7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:15.472089ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032808/publication.txt
observed 6f902a6f157c1b3c3531aae8a4b8fbbb...
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.