OpenTechnical

OT-2026-000049759

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, three stage ejector, pressure sensor per zone, pulsed 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-2026-000049759) never changes.

Identity and time

Publication numberOT-2026-000049759 · never reused
Internal UUID01a0ae81-8fef-7e21-a66a-d2af9097d9e5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:21.728203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049759
StatusPUBLIC

Content hashes

Canonical text33fc3df96416d1c14a8858f115ff5d946bc822e9bbee040f83c87bbe191953dd
Markdownb0499f3dd85a14b061d9cef443be26dc6156c38b8a0d790390afb17da7845b71
PDF
Publication page1e72b546205ec5ec4e4718c4e05dde002f619c0e583fd08aa10ed49e0b52bf5e
Manifestb4ce2842e4e42c8afa1a40626a86ee8d9441ce88e7bcfc82ac015117d2563854

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
Signature3o1lDxsUAFsvuLFt49+Uex/OWfmzBk848W+NN7yzXUOFypqBCDJ/WEw9EyQdWbPktdyUoxMFZlQO/bcUMXCbBw==
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

2026-09-17T11:02:47.455752ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049759
observed 1e72b546205ec5ec4e4718c4e05dde00...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:47.435825ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049759/manifest.json
observed b4ce2842e4e42c8afa1a40626a86ee8d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:47.417515ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049759/publication.md
observed b0499f3dd85a14b061d9cef443be26dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:47.400194ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049759/publication.txt
observed 33fc3df96416d1c14a8858f115ff5d94...
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.