OpenTechnical

OT-2026-000042479

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four 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-2026-000042479) never changes.

Identity and time

Publication numberOT-2026-000042479 · never reused
Internal UUID01a0ae7a-c0cc-7d36-ac70-d6834b0cced4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:55.489038Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042479
StatusPUBLIC

Content hashes

Canonical text97b47e7faf1d4f5f5a990add3b68bb51f64e726327c84a1fdf15cf4de789c047
Markdownaf1575689fec1b8406102dcf04aa73ebb9acbfdb37360bc39d66e0f0d9ad50c4
PDF
Publication pagefdf0b399677e838ebf21bc5660dc32f9462615ddd408ba1e0e51dae83ebc58be
Manifeste5838d126acde93240a1864927c666cad1bb45842594aa32fc6ef026d2e96e3f

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
Signatureq6ORMFNVycFcTHvAGcXCT3uq3KCENIA2Skg2xX/2IZoi08eWDY4DyDcAA0GIR93UODhL5IW7CZSiLM9W7gfBCw==
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

2026-09-17T11:14:02.813318ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042479
observed fdf0b399677e838ebf21bc5660dc32f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:14:02.794727ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042479/manifest.json
observed e5838d126acde93240a1864927c666ca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:14:02.774163ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042479/publication.md
observed af1575689fec1b8406102dcf04aa73eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:14:02.756179ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042479/publication.txt
observed 97b47e7faf1d4f5f5a990add3b68bb51...
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.