OpenTechnical

OT-2026-000042159

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, two 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-2026-000042159) never changes.

Identity and time

Publication numberOT-2026-000042159 · never reused
Internal UUID01a0ae7a-5d71-7044-82c2-e3bd8a60f8d5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:30.052779Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042159
StatusPUBLIC

Content hashes

Canonical text7212292e22daacf26aa203e1453719a3d5fa7f42c45f33a2a2f9e567f692fd25
Markdowne6b071b16def50b3f1f4aead22b3db9c7249ad98757fb2f0e46c0f0b360834c0
PDF
Publication page29b90cb0e7b120c127354cd2bb6c7c8c7ea67527e822b170c1e61c0759b3f7a4
Manifest19f5bb21972557453b9d2d4bedbdbc009c977ae273a69034368b35460a86dfc4

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
SignatureUc71JdFGv9GKUu1inyguCyLyKiObXEYzIsubfxnaiLkARgOp9s2maqVEzokpCDuzTdq5HJSIGzdjz2jFN19rAw==
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

2026-09-17T11:15:42.970544ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042159
observed 29b90cb0e7b120c127354cd2bb6c7c8c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:42.951635ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042159/manifest.json
observed 19f5bb21972557453b9d2d4bedbdbc00...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:42.933028ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042159/publication.md
observed e6b071b16def50b3f1f4aead22b3db9c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:42.915434ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042159/publication.txt
observed 7212292e22daacf26aa203e1453719a3...
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.