OpenTechnical

OT-2026-000032956

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, pump 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-2026-000032956) never changes.

Identity and time

Publication numberOT-2026-000032956 · never reused
Internal UUID01a0ae75-4843-761c-b87d-72258fa591b4 · 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-2026-000032956
StatusPUBLIC

Content hashes

Canonical textc7f62cf4ab6f82ac76d65776829e0b8acc2c7d83ef23b61a8d91a30a74f77294
Markdown0c2c9eddcc33d9bb3b6d063c5eb9cd686f59742824ee4e19dd194281c5e272b9
PDF
Publication page240be70263e0d6919c8caa3f77027e5bcb41a88c3ec721095cc64e46a930a74c
Manifest8e09ab5f720d767c28ffc32297b4f3aba8199019c6c68d9d3fa8475aad20c451

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
SignaturenDk0dndFvBT2Lb+9DQYIBY4vyve7rfg1V+I58VuLDegwGS5h0SpIUa2bu/aFDy7qcMyQ8/4Y/PAY+ma92sMQCg==
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

2026-09-17T11:32:33.687913ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032956
observed 240be70263e0d6919c8caa3f77027e5b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:33.670304ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032956/manifest.json
observed 8e09ab5f720d767c28ffc32297b4f3ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:33.652098ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032956/publication.md
observed 0c2c9eddcc33d9bb3b6d063c5eb9cd68...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:33.632807ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032956/publication.txt
observed c7f62cf4ab6f82ac76d65776829e0b8a...
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.