OpenTechnical

OT-2026-000039115

Publication integrity record

Two cup vacuum gripper, two zone face, four outlet manifold, pump 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-2026-000039115) never changes.

Identity and time

Publication numberOT-2026-000039115 · never reused
Internal UUID01a0ae78-9673-7d8a-9a7a-633905f8850a · 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-2026-000039115
StatusPUBLIC

Content hashes

Canonical text490492ea2bd88fafb900955e5068137cf7e5153d18c43a7a66b905d4fb315e2a
Markdown8ac5524becce5806bb3c56b55d70bed34a37058cadcbdcf4662c065663621329
PDF
Publication page34e4b91ebde4fb657a02b860b257cd1069beeaefab3701ef019ee1f7db1f0c38
Manifestb0fc3a52293e68eaed7edcd102ee4e18c31f5d9aa37a944e99bb90da21e6ff81

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
SignaturePXSEUtfu2I3rcF2NlMhl1/yNw2+MgBB1W0rPll6r8zeFo3wPtLQHwXx0JNHhD756VexAeJXvu07Qc7jXLWsrCw==
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

2026-09-17T11:20:36.503392ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039115
observed 34e4b91ebde4fb657a02b860b257cd10...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:36.486228ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039115/manifest.json
observed b0fc3a52293e68eaed7edcd102ee4e18...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:36.468956ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039115/publication.md
observed 8ac5524becce5806bb3c56b55d70bed3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:36.450620ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039115/publication.txt
observed 490492ea2bd88fafb900955e5068137c...
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.