OpenTechnical

OT-2026-000015846

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, single 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-2026-000015846) never changes.

Identity and time

Publication numberOT-2026-000015846 · never reused
Internal UUID01a0ae6e-0c4c-7e1a-bafd-d1434cb0ed8f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:02.846253Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015846
StatusPUBLIC

Content hashes

Canonical text156ab501b84acbcd9633de019c99df85345e26a5ded01142cd8efee080109b3a
Markdown5601a2d4cec4b005e0b5cb6d51c6a77b10c3ba6a53ce2105712874deb2353993
PDF
Publication page87a6e4911435e53581c4988b1a6c4e5dc3e4f6890272a671d681a847a0e2914e
Manifest5dc6cf9615a760fd1c5be1cb5bdaa3f3e75d3c1b583dcf5befa56d29fa9dd7c7

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
Signatureu/7BBm9cWswTCLAhVRbZxnxfbWLoj0TLSNN2ZkYAAgxrcmiW0JRoZLJ2xI4sxcJoBGm8TBQd5cma3RlBiRA9AA==
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

2026-09-17T12:05:10.236086ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015846
observed 87a6e4911435e53581c4988b1a6c4e5d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:10.212176ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015846/manifest.json
observed 5dc6cf9615a760fd1c5be1cb5bdaa3f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:10.192057ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015846/publication.md
observed 5601a2d4cec4b005e0b5cb6d51c6a77b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:10.173922ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015846/publication.txt
observed 156ab501b84acbcd9633de019c99df85...
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.