OpenTechnical

OT-2026-000049874

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, plant vacuum fed, 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-2026-000049874) never changes.

Identity and time

Publication numberOT-2026-000049874 · never reused
Internal UUID01a0ae81-fd76-7685-bead-a9c5a561e43d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:49.774136Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049874
StatusPUBLIC

Content hashes

Canonical textc14c71df2c110f73f992d812d467740eb2eed696020dceb93dc218e885cfdbee
Markdownc8c8e47cf3909ad6f37f09149bd1f36b90875a9aa3451e3d95df048b495f0df3
PDF
Publication page9654c41cfe7d3cf7f6d9f4618e24d88ffe1a460cd2ff2c6b18765b31cce32c97
Manifest8d8e737b022476c4137934940680d4798833f8ec86b3f1e6091ee1824e7c90d0

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
Signature+x+anHwv9gV+hKfkfaByXdYb2cUV6zf4Mjs5yjdMXvjN48AiHlyvocTWqCJz3DIdgdAa/6E/HW4oSYL40+mWDg==
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

2026-09-17T11:01:47.087260ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049874
observed 9654c41cfe7d3cf7f6d9f4618e24d88f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:47.067689ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049874/manifest.json
observed 8d8e737b022476c4137934940680d479...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:47.049467ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049874/publication.md
observed c8c8e47cf3909ad6f37f09149bd1f36b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:47.028321ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049874/publication.txt
observed c14c71df2c110f73f992d812d467740e...
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.