OpenTechnical

OT-2026-000045213

Publication integrity record

Three cup vacuum gripper, three outlet manifold, pump fed, manifold pressure sensor, sustained blow-off after 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-2026-000045213) never changes.

Identity and time

Publication numberOT-2026-000045213 · never reused
Internal UUID01a0ae7c-f769-791c-ab2b-c82cd1ac5dbb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:20.545172Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045213
StatusPUBLIC

Content hashes

Canonical textad7a327dffc4898d1ba5eb843b5b597db3d59535a7b4fb965b779edd36f68de9
Markdown4f2a082cfe158d7a862cb8bb7940a2fb3e7f6228d25ce80b2c5dd3c14ebc2c26
PDF
Publication pagecfb3cb1ecf2d0943918acba442677bbb4f0d947ae7bded890aa4db54756de67b
Manifest1da285007fae55be34d10a9816caf8de8d9fcd56b63557a25cf7db140e0fc932

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
Signature1Cz/ckeGYjCZtxTChFT/cnSMCDPE7wAnLepHEheTURhJjRHXZp/+q21P1Z2FmXiWv0b951cKAqT/u2pasGd6CA==
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

2026-09-17T11:10:24.005520ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045213
observed cfb3cb1ecf2d0943918acba442677bbb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:23.983194ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045213/manifest.json
observed 1da285007fae55be34d10a9816caf8de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:23.960662ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045213/publication.md
observed 4f2a082cfe158d7a862cb8bb7940a2fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:23.940614ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045213/publication.txt
observed ad7a327dffc4898d1ba5eb843b5b597d...
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.