OpenTechnical

OT-2026-000038409

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000038409) never changes.

Identity and time

Publication numberOT-2026-000038409 · never reused
Internal UUID01a0ae78-2d52-76a8-9c9e-c78ff5e869b7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:06.661829Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038409
StatusPUBLIC

Content hashes

Canonical textc6b1ddb1555ca64ededa98e5fd4a4542b822d61addbcfb6d51ca6b4bbc78f668
Markdown13c6ea3428f7127595e3216c4cbff60f6e65381177bafffa72099132c1f76b1b
PDF
Publication pagec2d2cd9bba468a008fa061d48d550001563c8ff48bd586c14f915205b4b9b690
Manifestca2527dd584753b718a4c12fedf2067fb5d73cfe6ca455b9b117fcad2596c251

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
Signature4cOaE4ZQkkwcolyOIiORULbUYtYTpQp31b+V2/xEaON/+5z9rh8FajFR0wqYsBC4EURt0O11Sd4w8LWfJuJvDA==
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

2026-09-17T11:22:35.233909ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038409
observed c2d2cd9bba468a008fa061d48d550001...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:35.215864ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038409/manifest.json
observed ca2527dd584753b718a4c12fedf2067f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:35.194824ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038409/publication.md
observed 13c6ea3428f7127595e3216c4cbff60f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:35.176214ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038409/publication.txt
observed c6b1ddb1555ca64ededa98e5fd4a4542...
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.