OpenTechnical

OT-2026-000079944

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, plant vacuum fed, supply line pressure sensor, vented 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-2026-000079944) never changes.

Identity and time

Publication numberOT-2026-000079944 · never reused
Internal UUID01a0ae96-4377-7c0e-86d5-56c4118e7321 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:58.480954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079944
StatusPUBLIC

Content hashes

Canonical text2cf3d962fb81088f9dc83ed9cb5e59b8695d7f65404c2c35a28308260e045041
Markdown72740ab4aaf2c7ad8b5925043bbc356e0b1b6ce11d65eb3b8f7223c8d96b6aec
PDF
Publication page2919f31a56742d363ac10332254694901f881c41e1f969013f56d6d2c99e8118
Manifest5b9efe8977db606baf9370809f4353263ab527509272656a9c6a1d88bcdf97c3

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
Signature5PKWb9WLGGrwkCWeW1HKHYTauMf5zMwG4Y8TpH4x6PMlrsg6wMToyvwR2n1j+zwWkx3zeDOt7hIG5rRtal+1BA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:03:51.060367ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079944
observed 2919f31a56742d363ac1033225469490...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:51.043727ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079944/manifest.json
observed 5b9efe8977db606baf9370809f435326...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:51.008390ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079944/publication.md
observed 72740ab4aaf2c7ad8b5925043bbc356e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:50.973233ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079944/publication.txt
observed 2cf3d962fb81088f9dc83ed9cb5e59b8...
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.