OpenTechnical

OT-2026-000025856

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, manifold 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-2026-000025856) never changes.

Identity and time

Publication numberOT-2026-000025856 · never reused
Internal UUID01a0ae71-a83e-72b6-b271-cb1f7a5974fb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:59.376802Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025856
StatusPUBLIC

Content hashes

Canonical text1780b9abd6ae9e63baf44b15a8ee50284d320ed401ecbd3e12d899696b004afc
Markdown3cfb00cad7fb7396a7729fb8c4af841e11cc33f3db8f83086b2224b7dd29ec52
PDF
Publication page19311c6eb622b142ed078fd664357a99fcf4c0e9b2625eaca68bf18a13586230
Manifest695c0b8928a914da59a08da3dcd9168a7a23cc9c77ad3652bfb49be6b0cb6247

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
SignaturezpXXzJTKFQP9ChfUXC4DrxE91ITmGZABwK9+BAi9sYsLc0JMXT/4jDCu2lZwi/xFXXxKhGx3/+7HISuVvEJEBA==
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

2026-09-17T11:46:05.104249ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025856
observed 19311c6eb622b142ed078fd664357a99...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:05.062067ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025856/manifest.json
observed 695c0b8928a914da59a08da3dcd9168a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:05.045006ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025856/publication.md
observed 3cfb00cad7fb7396a7729fb8c4af841e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:04.994727ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025856/publication.txt
observed 1780b9abd6ae9e63baf44b15a8ee5028...
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.