OpenTechnical

OT-2026-000055308

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, pulsed blow-off after 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-2026-000055308) never changes.

Identity and time

Publication numberOT-2026-000055308 · never reused
Internal UUID01a0ae86-a100-78fa-bc07-0b58db7c3cde · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:53.783868Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055308
StatusPUBLIC

Content hashes

Canonical textc71f1b5dcb8eb7e13403d912e3bb83b60b3e30babb865086a1f215f2ff420776
Markdown7a074bf26600c1646d6a448faa3ea525acf3517d8089f1603db1a87f6518b111
PDF
Publication page7ff861cab35215556ccc570785c28a6b60f5e8c6d6f3b949867a895f34327ae7
Manifestf9c78516f3c8f9d70b65a8ebe13ce330ae77ed50d08eb062bd823c6196b1b0b0

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
Signaturez32Sil0haNvby2G4KVktn2jr1r1uscYWWMaYS8JReu5kcRQfEj3QbXEDaXrMfWX4n4t75pF+DgjemQMuXkJnDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:51:55.334803ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055308
observed 7ff861cab35215556ccc570785c28a6b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:55.313314ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055308/manifest.json
observed f9c78516f3c8f9d70b65a8ebe13ce330...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:55.293754ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055308/publication.md
observed 7a074bf26600c1646d6a448faa3ea525...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:55.273747ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055308/publication.txt
observed c71f1b5dcb8eb7e13403d912e3bb83b6...
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.