OpenTechnical

OT-2026-000044197

Publication integrity record

Three cup vacuum gripper, three outlet manifold, two stage ejector, supply line 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-2026-000044197) never changes.

Identity and time

Publication numberOT-2026-000044197 · never reused
Internal UUID01a0ae7b-d67b-7dd2-a337-6f2b61bb2063 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:06.584190Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044197
StatusPUBLIC

Content hashes

Canonical textf05266c215319a504d1b9bb7e88cb1d36a0bd3e6bf6979a9b3a406f7bd292bcb
Markdownceeb725e53386f16f1facbe138282b135e3768252308c11816da492b0a7a3974
PDF
Publication page803e5476adb6388c82192f82cb9f225070d9eb64bbc07486703217eefee6ceeb
Manifest1100cdae96be49d8dd64e2cda8f8ecd49db32ac407ea8d3e67e7cf6fad9e0cd4

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
SignaturepoUeSyf5o0kayR+ssYbedtDcCEeDpC0tKfnQttewHrJs59M7Bk7c5sDJRSEoOH9DBuZ1nqjkxsj1EGZcdD7pAw==
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

2026-09-17T11:12:44.821859ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044197
observed 803e5476adb6388c82192f82cb9f2250...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:44.800788ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044197/manifest.json
observed 1100cdae96be49d8dd64e2cda8f8ecd4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:44.779636ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044197/publication.md
observed ceeb725e53386f16f1facbe138282b13...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:44.759787ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044197/publication.txt
observed f05266c215319a504d1b9bb7e88cb1d3...
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.