OpenTechnical

OT-2026-000047489

Publication integrity record

Six cup vacuum gripper, six outlet manifold, single stage ejector, manifold pressure sensor, sustained blow-off after 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-2026-000047489) never changes.

Identity and time

Publication numberOT-2026-000047489 · never reused
Internal UUID01a0ae7f-3e58-7787-8b5a-fbacb0ae079e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:32:49.774666Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047489
StatusPUBLIC

Content hashes

Canonical text3751420913130cc582f0888f680d1e1f014269753addcfa082fdfde89cbe2382
Markdown2cd163f4b4ed7b522dbb1cd40c8757b94672d79d3f139c593f7c7e0a863fb7f6
PDF
Publication page635e83a648e0498a5865fb02f0face89bd29f68cc9828f395e5ad470f4f395d9
Manifest0a1bcd66e68b3e00cb6ee0b3eee963d6fcefde8af3d5bcc056045d07737961bf

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
SignatureKmaWrbBfHUYQtmAMmo+tvH3yd1PUyoFalkaoafx2y8hWAx43Yl6jsB9SbHTVZYFxQdFm2nJ3yNmxy1oPLVdRDw==
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

2026-09-17T11:06:31.807502ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047489
observed 635e83a648e0498a5865fb02f0face89...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:31.789102ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047489/manifest.json
observed 0a1bcd66e68b3e00cb6ee0b3eee963d6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:31.771424ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047489/publication.md
observed 2cd163f4b4ed7b522dbb1cd40c8757b9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:31.752270ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047489/publication.txt
observed 3751420913130cc582f0888f680d1e1f...
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.