OpenTechnical

OT-2026-000025348

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, three stage ejector, 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-2026-000025348) never changes.

Identity and time

Publication numberOT-2026-000025348 · never reused
Internal UUID01a0ae71-5fa7-7248-a997-b7d8024223eb · 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-2026-000025348
StatusPUBLIC

Content hashes

Canonical text1cc5bccf20a44ce484edc270524a4856fd0ddbcff47b75e8b5d26529c20dc1ef
Markdown4ba70b7e7d51de86617f84c0c03d0ae5320c1ae01a8e135db181eadb7301c228
PDF
Publication page017aa02ca78489b6528e12a832831631fa013bc6df8372c184ae5b871dafe22e
Manifest32db567de64c9742cc04d0d0431a920f6ed37b34dc0745b37aa5a847f9466210

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
Signature0FijixHkJ9EjVZyKDte/4OuieB0+x0VrX7D3SUUE9lLjo0Zpse+AB4j7frNX5OtBDjc0+saCujj7JYj1ipKbDQ==
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

2026-09-17T11:47:23.901844ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025348
observed 017aa02ca78489b6528e12a832831631...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:23.882489ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025348/manifest.json
observed 32db567de64c9742cc04d0d0431a920f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:23.864790ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025348/publication.md
observed 4ba70b7e7d51de86617f84c0c03d0ae5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:23.840472ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025348/publication.txt
observed 1cc5bccf20a44ce484edc270524a4856...
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.