OpenTechnical

OT-2026-000038227

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, pump fed, supply line 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-2026-000038227) never changes.

Identity and time

Publication numberOT-2026-000038227 · never reused
Internal UUID01a0ae78-2d51-7bba-9b17-c5f976f60fb7 · 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-2026-000038227
StatusPUBLIC

Content hashes

Canonical textb931d6fc0c1d86196ca618c413a0f5271cbd1af9c35796a5fbca52c4375cc186
Markdown5e95ae83832154fa0ec7f4cfebfddafe9b38232c85094940541944c6683f2f76
PDF
Publication pagec224eb94be591cc269033418f2768df0819cbb2a1b05a5c4f05bc67b5ca5d4d6
Manifest1d00a2cfb8241b8e0525b533db0cce0f22aaac719d68f2ef209382473d04855f

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
SignatureSVHIdkzprIT8gk5TPIoSTGKMywDk22kUdAUQBDEXjVf+lW++3+g6SGcxToJ8M8v7V3Q/I6jPSlQZRP+0GBM6Dw==
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

2026-09-17T11:22:22.340137ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038227
observed c224eb94be591cc269033418f2768df0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:22.321480ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038227/manifest.json
observed 1d00a2cfb8241b8e0525b533db0cce0f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:22.303685ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038227/publication.md
observed 5e95ae83832154fa0ec7f4cfebfddafe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:22.284671ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038227/publication.txt
observed b931d6fc0c1d86196ca618c413a0f527...
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.