OpenTechnical

OT-2026-000026713

Publication integrity record

Four cup vacuum gripper, four 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-2026-000026713) never changes.

Identity and time

Publication numberOT-2026-000026713 · never reused
Internal UUID01a0ae71-f4ab-7542-acaf-1cba61f41675 · 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-2026-000026713
StatusPUBLIC

Content hashes

Canonical text90955bfa4b7c72f7fd3d665f0fd277389e3d8df51126c8e29acf6873f2ec8cc6
Markdown81d0a806ac8ba812ac8887d96ae26c10f8e13fea2c3d44aabf2d99a00946a8dd
PDF
Publication page6170f325c1fd9ed7909c22608ef6b86971136f60dfea6d639ecac7a9b96d1004
Manifestecbd1d244879a99f42379eed0205ce0d239e9e7464876fc56c3eccb83634a4a0

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
SignatureKjbll9YLxl81mXKf3/njXGQkGAW2Uhes4raLetl6chMm8ZnB0fqusFa6gRgQeqya8YpazalYJyOvhS3L8Wi2Cg==
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

2026-09-17T11:45:48.538581ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026713
observed 6170f325c1fd9ed7909c22608ef6b869...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:48.520953ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026713/manifest.json
observed ecbd1d244879a99f42379eed0205ce0d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:48.501123ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026713/publication.md
observed 81d0a806ac8ba812ac8887d96ae26c10...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:48.485780ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026713/publication.txt
observed 90955bfa4b7c72f7fd3d665f0fd27738...
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.