OpenTechnical

OT-2026-000048019

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, plant vacuum fed, pressure sensor per zone, pulsed 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-2026-000048019) never changes.

Identity and time

Publication numberOT-2026-000048019 · never reused
Internal UUID01a0ae7f-c423-7971-b105-1414b251c7df · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:24.028554Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048019
StatusPUBLIC

Content hashes

Canonical text8192ddb14879474167fe1a35d4b18ce57f31f5cb38e0eda41684f7078801d328
Markdownfc8890a39943ffb82a998053fe4132d11ad07433c4b1842f7f422a306248a889
PDF
Publication pagee4947cd3e83f24527d13c6a4fa6a6aa775d250ed4ac0a9e41d1585e11dda07ac
Manifestf9bb0b6ec37441caa86e87cefe51a49612878472e361f1e735025cbd8e08fdf4

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
SignaturexOqhjLY8ji7FezEYFv3GVc/6ki6g9WLaN/i81dorv/E3QZ+aJUBqZsjoTpR0TF3yH3yQQ/ckQC7Q9cXg6vKLBA==
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

2026-09-17T11:06:00.844600ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048019
observed e4947cd3e83f24527d13c6a4fa6a6aa7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:00.824929ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048019/manifest.json
observed f9bb0b6ec37441caa86e87cefe51a496...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:00.804508ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048019/publication.md
observed fc8890a39943ffb82a998053fe4132d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:00.787056ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048019/publication.txt
observed 8192ddb14879474167fe1a35d4b18ce5...
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.