OpenTechnical

OT-2026-000048461

Publication integrity record

Three cup vacuum gripper, three outlet manifold, plant vacuum fed, supply line pressure sensor, sustained 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-2026-000048461) never changes.

Identity and time

Publication numberOT-2026-000048461 · never reused
Internal UUID01a0ae80-4de5-78b3-86ad-07085fa8c393 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:59.290761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048461
StatusPUBLIC

Content hashes

Canonical text1bc1b910969c2182395f094e2b0e36ef15420237635620eda20138173030664c
Markdownf2f18103bfed6efd9b4cf163ff38f0d2198a5ab7b786f9113c68f434f9257045
PDF
Publication page005e1047f43369bbb10da8e4181b6601ef869adb7cd0c0b3e3f84abf63dd50b8
Manifest0c55886349f48496d50fb3d98b83382131eb4d472ed07483f1d548d981c2e4f2

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
SignatureYX4Gm2VQhTquqIcf7s7H1UR9eR9zEv5cO/SWYm405f5sT+gn8w5UTx4uNTqoVERzloQkt7FBQeNI9e7zp1aWAQ==
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

2026-09-17T11:05:07.270620ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048461
observed 005e1047f43369bbb10da8e4181b6601...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:07.243704ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048461/manifest.json
observed 0c55886349f48496d50fb3d98b833821...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:07.225134ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048461/publication.md
observed f2f18103bfed6efd9b4cf163ff38f0d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:07.197565ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048461/publication.txt
observed 1bc1b910969c2182395f094e2b0e36ef...
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.