OpenTechnical

OT-2026-000030342

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, single stage ejector, manifold pressure sensor, sustained blow-off before set-down

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-2026-000030342) never changes.

Identity and time

Publication numberOT-2026-000030342 · never reused
Internal UUID01a0ae73-e501-79f7-995e-6c7a683d4246 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:26.007257Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030342
StatusPUBLIC

Content hashes

Canonical text0549a76d80f34a2d2a27de78e3d907cd767c9a2c1f8d84f9718e2ccd4b51fb7c
Markdownedf45341c07c918fff12014269303830c12d21f94950e25a8fca1b160a8c2b63
PDF
Publication page192a95bdddfe385908624ae48b5ba0edab4bfb3c7d84594469eea6bb0090fbb6
Manifestc19873032d7deb7a8efd5a661a560de17b30d4c3139afcbc3301eb73402b7313

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
SignatureZJBS0FzUvmkI5bavLITPNshXxbN9LP9HZyW60Xw1ZrfeNlV3VJf6F4OKxL2hse4owtmF5UtYTNqy//pub62LCA==
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

2026-09-17T11:38:03.357467ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030342
observed 192a95bdddfe385908624ae48b5ba0ed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:03.340363ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030342/manifest.json
observed c19873032d7deb7a8efd5a661a560de1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:03.322256ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030342/publication.md
observed edf45341c07c918fff12014269303830...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:03.304638ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030342/publication.txt
observed 0549a76d80f34a2d2a27de78e3d907cd...
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.