OpenTechnical

OT-2026-000039027

Publication integrity record

Two cup vacuum gripper, two zone face, four outlet manifold, plant vacuum 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-2026-000039027) never changes.

Identity and time

Publication numberOT-2026-000039027 · never reused
Internal UUID01a0ae78-9672-706a-936b-0ecd191266cd · 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-2026-000039027
StatusPUBLIC

Content hashes

Canonical text10b65755e29be1d1b16b2c8fd685c8fbfed40e225bb467472bace9101f919d47
Markdown54a68f84b90a672567977efc86e40d1feae1371a0dae441f72c598c3d8e71490
PDF
Publication pagec8031b44092ffe0714ce1c4e08e7da683bb1b0a9cd851501731ac72c5633bd6d
Manifestd3d1e8e67c7eba3902ceeb4c91dc2f00e34109b120608753e11fa8a00896a26e

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
SignatureVunirIciqXwGqwhPVwfIuELl56bAitoPAZZhHcwGCMO693yPRNbUO4FICEBxzvpZuAv4/8LbGtc6AwG78/wTAA==
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

2026-09-17T11:20:22.509551ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039027
observed c8031b44092ffe0714ce1c4e08e7da68...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:22.490254ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039027/manifest.json
observed d3d1e8e67c7eba3902ceeb4c91dc2f00...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:22.474163ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039027/publication.md
observed 54a68f84b90a672567977efc86e40d1f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:22.457329ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039027/publication.txt
observed 10b65755e29be1d1b16b2c8fd685c8fb...
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.