OpenTechnical

OT-2026-000025400

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, plant vacuum fed, manifold pressure sensor, pulsed blow-off before set-down, on a tool changer

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-2026-000025400) never changes.

Identity and time

Publication numberOT-2026-000025400 · never reused
Internal UUID01a0ae71-5fa7-7f78-a434-54cf64d80902 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:40.790954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025400
StatusPUBLIC

Content hashes

Canonical textf062e3310af165e9d12299b05d80fb6e6d23db1b8f9a7405bc6449e9548a9057
Markdown9b993fbba32241ff447ceb94e7a96d19862b541c711243a25b3d2f900a881cf4
PDF
Publication paged30ea71f7954b9df8ba6ecff3ad2627f6c716b11f52fe05bb37011ed812bdaab
Manifesta63985ebd6b36738f0ea97bb12f9179f682605b985bdcf6ae801e166a18c1f79

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
SignatureSIUObvYfPJpE8CbSm3X2/DDZqTZtLVaQIuSVkwEGckI2Ukecn3AgYG+MOeBCSkBDbc737VtM3J4yk4vhzuALDw==
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

2026-09-17T11:47:28.112579ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025400
observed d30ea71f7954b9df8ba6ecff3ad2627f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:28.096380ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025400/manifest.json
observed a63985ebd6b36738f0ea97bb12f9179f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:28.079268ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025400/publication.md
observed 9b993fbba32241ff447ceb94e7a96d19...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:28.061214ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025400/publication.txt
observed f062e3310af165e9d12299b05d80fb6e...
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.