OpenTechnical

OT-2026-000018469

Publication integrity record

Three cup vacuum gripper, three outlet manifold, three stage ejector, manifold 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-2026-000018469) never changes.

Identity and time

Publication numberOT-2026-000018469 · never reused
Internal UUID01a0ae6e-b48a-7e55-b93c-0b422433a230 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:45.971508Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018469
StatusPUBLIC

Content hashes

Canonical text24faa077ce0f9c838b3d3a71300b86309dc1f559d24ec60c67bf8d94ce482579
Markdownda40c5e82b1eb7b1ea3b451d201559dff79c1eeda3dc7ee9d83f94ba9f7fc343
PDF
Publication page840c31df1e587de63b0e29b70cc992e3d173bb84482a9a0a265d22da1e7b3476
Manifestd30a8f0f575efd1317bed28204cceab1fa74dade8b6e3c13c1bc3e10f09118a6

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
Signaturetn3e7ZjsRxp5GBvsq2Rd+97rz5Dw+W15OZ6lm681zryINhenPblcVz2O2g6qyNv/bgteEDtICILwUSsbwTLqBA==
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

2026-09-17T12:01:13.887474ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018469
observed 840c31df1e587de63b0e29b70cc992e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:13.870457ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018469/manifest.json
observed d30a8f0f575efd1317bed28204cceab1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:13.853049ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018469/publication.md
observed da40c5e82b1eb7b1ea3b451d201559df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:13.835580ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018469/publication.txt
observed 24faa077ce0f9c838b3d3a71300b8630...
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.