OpenTechnical

OT-2026-000041223

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, single 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-2026-000041223) never changes.

Identity and time

Publication numberOT-2026-000041223 · never reused
Internal UUID01a0ae79-b143-72c1-bc3e-4e6a9453c4da · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:45.980839Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041223
StatusPUBLIC

Content hashes

Canonical text93e7b553a899bc4cdce810854aae9612fa990ec98ffa5f61b67f72c2ab08104d
Markdown9a38e7d443dfe893aa4bc5750e755aac3d13ac5e1dcb5c12b016ed182ea72f54
PDF
Publication page91c920c002f3ec44772951845c6149bfbe711d7f9a1bc116bdba0c77ef91602e
Manifesta04d475f7d40f192e545741161c06a42343ecd527d9481a646c2c4c50d7e8730

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
Signaturew+ztO+8XGoDyF0ecIKVhlL7BB+V6V54MTFobTIWJfHKSbrev+J9KzTgqz9RqFO+hqwMu/RBOjZT4XxfPnCSLCw==
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

2026-09-17T11:17:11.163744ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041223
observed 91c920c002f3ec44772951845c6149bf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:11.146340ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041223/manifest.json
observed a04d475f7d40f192e545741161c06a42...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:11.129475ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041223/publication.md
observed 9a38e7d443dfe893aa4bc5750e755aac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:11.108742ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041223/publication.txt
observed 93e7b553a899bc4cdce810854aae9612...
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.