OpenTechnical

OT-2026-000036447

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, plant vacuum fed, supply line pressure sensor, 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-2026-000036447) never changes.

Identity and time

Publication numberOT-2026-000036447 · never reused
Internal UUID01a0ae77-01d1-72c1-86a2-533911ec8aa6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:23:50.134839Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000036447
StatusPUBLIC

Content hashes

Canonical text32dfaeb498ed116f209a66099ba5ed0353d98fbb3a384f85750e08d49031cccc
Markdown7c968a564dff39bcaa1414fbce0399a4c36ee460619e98e901eb4c50fad0e4b9
PDF
Publication pageb81bb9582746f08d56f73421375bd7a3bc4a3d449f52aa3742baf2d0c34ea821
Manifest95ef09aa5bab70139959cb4827308c50bf10bcfee6fd299a9de35450e44d2f32

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
SignatureXLJVhZiYm/cfrEqtpqQKlRY7xLaU8KYcFn3Ja6DzG8gQhL2ioHnekSX3YNx0daZJJWnZf6hosEgQ2WztgLr7Cw==
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

2026-09-17T11:26:50.753828ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036447
observed b81bb9582746f08d56f73421375bd7a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:50.737106ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036447/manifest.json
observed 95ef09aa5bab70139959cb4827308c50...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:50.720044ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036447/publication.md
observed 7c968a564dff39bcaa1414fbce0399a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:50.702684ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036447/publication.txt
observed 32dfaeb498ed116f209a66099ba5ed03...
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.