OpenTechnical

OT-2026-000018268

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, pulsed blow-off before set-down

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-2026-000018268) never changes.

Identity and time

Publication numberOT-2026-000018268 · never reused
Internal UUID01a0ae6e-b488-7a0d-9346-ff4cd9fc5b21 · 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-2026-000018268
StatusPUBLIC

Content hashes

Canonical text912f8af5ad50f3f22cd86642ed0384069713f28376e1faf05dde988c6851e5a7
Markdowne10ab652a9786cf543fe7775cc39251c1804836ce0e27cac6c62b6bc17a3dd5c
PDF
Publication page82bdd3e31b9ae1521f62855b19a19da2fdd2511c8f49b0681bfc5833c3a72a7d
Manifest3285d42a30c45f49382f7ed5cb2662da9a0ea3d4efd9ebf705d6e9ba2a55d3ed

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
SignatureW4TMJgllafoZ/zQ1a0NmEuz4GjR/xDdI46B9U57E7MgV966dkRkeX9JQmcMByMFjw8ymgIXUCkl7dit2A9CbDA==
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

2026-09-17T12:00:06.648599ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018268
observed 82bdd3e31b9ae1521f62855b19a19da2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:06.626264ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018268/manifest.json
observed 3285d42a30c45f49382f7ed5cb2662da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:06.605041ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018268/publication.md
observed e10ab652a9786cf543fe7775cc39251c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:06.582744ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018268/publication.txt
observed 912f8af5ad50f3f22cd86642ed038406...
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.