OpenTechnical

OT-2026-000030698

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, sustained 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-2026-000030698) never changes.

Identity and time

Publication numberOT-2026-000030698 · never reused
Internal UUID01a0ae74-3fb3-7b2b-b5fd-e0612686da93 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:49.275361Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030698
StatusPUBLIC

Content hashes

Canonical texte517d367b00a54c53fbe9769dd53ac009b967ad1d53933155cd0945d3f1ac5e5
Markdown650fa5c7537b53f6bfbe7b4307392f64ad468a1a5bd5e077d333eadb31d4583a
PDF
Publication pagef40c25395f9c5d7562fb5f7b90f76ad12ba5abb17f2d6089d5200ed813979221
Manifest94efa5ea39572ecfa7e4a92f6d24a0b7fd6b2cb34974d143e7efc8ebf0b8db59

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
SignaturexUzzmvq1WaHvWUMusc/ws2Bix/JuWjH6oc7MVE9VaM7k3nltkFNVpcchxKRv9HhMf7HojrMo4yxtBTXKuSWSDw==
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

2026-09-17T11:36:36.975886ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030698
observed f40c25395f9c5d7562fb5f7b90f76ad1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:36.956649ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030698/manifest.json
observed 94efa5ea39572ecfa7e4a92f6d24a0b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:36.939327ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030698/publication.md
observed 650fa5c7537b53f6bfbe7b4307392f64...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:36.919739ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030698/publication.txt
observed e517d367b00a54c53fbe9769dd53ac00...
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.