OpenTechnical

OT-2026-000026473

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, sustained 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-2026-000026473) never changes.

Identity and time

Publication numberOT-2026-000026473 · never reused
Internal UUID01a0ae71-f4a8-72d3-83b9-498d00765e48 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:18.960773Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026473
StatusPUBLIC

Content hashes

Canonical text334615211f51ee7d4ff3bcf91310df3804465834f088d9475c2cf73f2fc85697
Markdownbc4e853dc8cbb1c2ac05998fdac9c861796c0e68027019cef1fff83eb9850f81
PDF
Publication page67d71e4d6b478358af49745e2c0152f0921954feb9cb11a878ffe45a1fafdfe2
Manifest3ccc5e1a06b222732c21f68826a8fb3bdeae49b9be83de92fa588e2ed1c55fe3

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
SignaturemoYSdv3ixnSrmObctejfIloO+0eGpA40IrCaqFNPyXKxic+F/o/YF8BLanHemp7H+ifNUNOfOIFFgejkQnpwBw==
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

2026-09-17T11:44:28.763111ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026473
observed 67d71e4d6b478358af49745e2c0152f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:28.745173ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026473/manifest.json
observed 3ccc5e1a06b222732c21f68826a8fb3b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:28.729147ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026473/publication.md
observed bc4e853dc8cbb1c2ac05998fdac9c861...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:28.710724ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026473/publication.txt
observed 334615211f51ee7d4ff3bcf91310df38...
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.