OpenTechnical

OT-2026-000012469

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, 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-2026-000012469) never changes.

Identity and time

Publication numberOT-2026-000012469 · never reused
Internal UUID01a0ae6d-39f7-7db0-9fe4-f9fd47457001 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:08.998406Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012469
StatusPUBLIC

Content hashes

Canonical text5ae4014bd62e0de891c5909ad72fa051c4f6e5ae0b2a2b7d526c9fba5fa43a37
Markdown7c29cdd150be9d9424d48512c6ce703f9933532deea3c20934775c5cd8d12a05
PDF
Publication page68389c482ad853aec483e7425a50c68ab60e5a935548ff8b98fc7656b97e254f
Manifest58d83de70984a6f451285f7c47e5bf20f43e6ce843a406c050f515647d6ee495

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
SignatureNxvb9XfOpgAjQDRXGuL2PyTKa67wNjf1cLgyNnTVmz03W4X/vFh45Q6kShpAor4B1huT04RXbJb7RsW0FgaBCA==
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

2026-09-17T12:11:58.767176ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012469
observed 68389c482ad853aec483e7425a50c68a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:58.749127ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012469/manifest.json
observed 58d83de70984a6f451285f7c47e5bf20...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:58.730696ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012469/publication.md
observed 7c29cdd150be9d9424d48512c6ce703f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:58.711946ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012469/publication.txt
observed 5ae4014bd62e0de891c5909ad72fa051...
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.