OpenTechnical

OT-2026-000016448

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, pulsed blow-off before 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-2026-000016448) never changes.

Identity and time

Publication numberOT-2026-000016448 · never reused
Internal UUID01a0ae6e-2d13-749d-a09d-3966c3aca93d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:11.237946Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016448
StatusPUBLIC

Content hashes

Canonical text1f62970838d99a80babad2d3d53b358dae782072906206f71315fb5e02c8d8ed
Markdown8e8b1d00ab6c38c891350936e69c3f0845e387a97270daea26117419a05fc200
PDF
Publication page40ed83c485025d308697519abbc259f1a9789837c70a4d2c60ff061ec261112f
Manifest2aa57d0b409a4d6b9219bdb8ac72259696aa972a91c49949f81fc583d62fe979

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
SignatureYt/xuaspo3PMd7SWicnXb4GGSpRMBve6LpXXstilf1NyAEiJkxm2hSu6M/wg6ciIRUt7Py56xvmHAkZxYBPODg==
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

2026-09-17T12:04:33.026628ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016448
observed 40ed83c485025d308697519abbc259f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:33.007226ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016448/manifest.json
observed 2aa57d0b409a4d6b9219bdb8ac722596...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:32.987963ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016448/publication.md
observed 8e8b1d00ab6c38c891350936e69c3f08...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:32.970123ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016448/publication.txt
observed 1f62970838d99a80babad2d3d53b358d...
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.