OpenTechnical

OT-2026-000019368

Publication integrity record

Six bellows cup vacuum gripper, six 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-2026-000019368) never changes.

Identity and time

Publication numberOT-2026-000019368 · never reused
Internal UUID01a0ae6e-f392-76e6-947e-79d4de11331f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:02.050431Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019368
StatusPUBLIC

Content hashes

Canonical text1c509d9f315749d0a510f44102d423292be1eaffc4dbe843bd1a229d69eceb1a
Markdown7256ecf5c82e948d62f7680dcb538fc8148c9a9f3b1b1db6d4a3a9e7eb9ffab9
PDF
Publication page2bf0591db922e00184e7833f6fc7afc0fe9c3a6d4158ca90fc44e484ae8eccbd
Manifest198816874e8e7d05e9b91211d7dfc9c3cdcc485a7735f828b29b070a1fa6c580

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
SignatureMmfU3bX+e0/D7ST5djLOSk5LPxpexUxcweYTm7pBiSaCeqV+50Opw+t18XCrXnDsvl8RBgIEUHr0AbK6+MkRDQ==
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

2026-09-17T11:58:44.962574ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019368
observed 2bf0591db922e00184e7833f6fc7afc0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:44.944676ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019368/manifest.json
observed 198816874e8e7d05e9b91211d7dfc9c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:44.925485ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019368/publication.md
observed 7256ecf5c82e948d62f7680dcb538fc8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:44.907347ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019368/publication.txt
observed 1c509d9f315749d0a510f44102d42329...
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.