OpenTechnical

OT-2026-000035911

Publication integrity record

Four cup vacuum gripper, four zone face, per zone isolation, two stage ejector, 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-2026-000035911) never changes.

Identity and time

Publication numberOT-2026-000035911 · never reused
Internal UUID01a0ae76-b4c9-78f6-baeb-e6d718b40131 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:23:30.265572Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000035911
StatusPUBLIC

Content hashes

Canonical text84ab618e9336a423200c8f79c2e8cf3c5897ea6a9388473c99250a073d05d9ed
Markdownada208aed8845e275c638a9e98101ff2fbcbfa327ed4e7f6d131c8c65676f656
PDF
Publication page4e572e6da5d60a3a44d66b0df19b7523b966a00b255ebf3ae941ec4cffac8e71
Manifest40c4aa722c40b27533549fd59ee860b31d2885614723ad2074f994ce463d504e

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
SignatureyM+7dSasnAS7gveRpexqFFndm9KVYvNmObJ0eq3PqUMP+6Bh9SX0DFXqoUocEwui5ws6RadjeMZ1GF+VzjmeDg==
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

2026-09-17T11:27:45.095657ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035911
observed 4e572e6da5d60a3a44d66b0df19b7523...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:27:45.074278ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035911/manifest.json
observed 40c4aa722c40b27533549fd59ee860b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:27:45.057595ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035911/publication.md
observed ada208aed8845e275c638a9e98101ff2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:27:45.038956ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035911/publication.txt
observed 84ab618e9336a423200c8f79c2e8cf3c...
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.