OpenTechnical

OT-2026-000020752

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, three stage ejector, 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-2026-000020752) never changes.

Identity and time

Publication numberOT-2026-000020752 · never reused
Internal UUID01a0ae6f-65e2-73fe-9bc2-5cd86d4893d6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:31.316024Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000020752
StatusPUBLIC

Content hashes

Canonical text6076c9f1d655db216861caf1b573aa3a945d7994eeb4cef9af36b929ba2ab5d0
Markdownb1ade196e048a460f5ff5a2b580865d014d16ee4951f984e45c64d4569b0e2c3
PDF
Publication page0e9d593322201f9ebe146ac22205f665d022475fd3d14da280626a264647e334
Manifest22fe8eaa82a28571b0967ae28cef06c2747de5da5eef57c4400655be5b71cc25

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
SignaturenrudGY1yQJuWXxTIjFbWs36GOUS6MNX+AOtWgIQoOoTwX0w0LYLyv7GRjRPjX4GAaPgNp+3P4MWXJ/tJvlF6CQ==
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

2026-09-17T11:55:49.382456ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020752
observed 0e9d593322201f9ebe146ac22205f665...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:49.364072ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020752/manifest.json
observed 22fe8eaa82a28571b0967ae28cef06c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:49.347601ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020752/publication.md
observed b1ade196e048a460f5ff5a2b580865d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:49.329216ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020752/publication.txt
observed 6076c9f1d655db216861caf1b573aa3a...
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.