OpenTechnical

OT-2026-000039472

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, single stage ejector, 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-2026-000039472) never changes.

Identity and time

Publication numberOT-2026-000039472 · never reused
Internal UUID01a0ae78-9675-7c44-acdf-1e0b2b43db9c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:33.573712Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039472
StatusPUBLIC

Content hashes

Canonical text3a9c65dbc9ae8281de58aa21efdd829c936159df42a8c9ad32ab570b9084fc0d
Markdown1ea736142e7779b14064405d6fe0e368322d191c2817819902769dfeb9a4afef
PDF
Publication page0d40b43a61e018be4a96379028854a27acf837d6ba3a76e914c81ae919629e21
Manifest495c6ee15963099150b76c070d15d736f53533356ea1da44f91297b954259c50

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
SignatureN7l63GymyYfVdgHQLw44jJH8oa2RoFZmyDf/zchx9L1CcOTdZ30c2JF1CYDNvswqJsPnBglTgx1yc9YD3b+4Bw==
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

2026-09-17T11:21:05.737396ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039472
observed 0d40b43a61e018be4a96379028854a27...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:05.719487ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039472/manifest.json
observed 495c6ee15963099150b76c070d15d736...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:05.701624ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039472/publication.md
observed 1ea736142e7779b14064405d6fe0e368...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:05.685856ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039472/publication.txt
observed 3a9c65dbc9ae8281de58aa21efdd829c...
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.