OpenTechnical

OT-2026-000015133

Publication integrity record

Single cup vacuum gripper, 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-2026-000015133) never changes.

Identity and time

Publication numberOT-2026-000015133 · never reused
Internal UUID01a0ae6d-ef47-7018-9a5c-80e8625dc0f1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:55.421510Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015133
StatusPUBLIC

Content hashes

Canonical textd2acb298eed9f328931d86446b4e65571ab4581f1301dfe3d22c4c81ed9d9532
Markdown07426096deadbe4799e99143db326d2373eb8dae81ff8fbeb1330fdb31288213
PDF
Publication page0cb8a1cc6f140edeca746a28dec619185c50c2534253806768fc7cf000815b10
Manifeste47b66437c48a6e57266f210eb912296d72103a91e97377d5081cbaa0823c609

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
Signatureu7U57vjG0ez5a7f4Txd042jTwTgYZynn4ujI1hYA+9kXMMc/f1oGSnTCvjL0rQqCYVDDt5qDg1zioudBe8ZVBQ==
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

2026-09-17T12:05:44.039812ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015133
observed 0cb8a1cc6f140edeca746a28dec61918...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:44.020700ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015133/manifest.json
observed e47b66437c48a6e57266f210eb912296...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:43.953930ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015133/publication.md
observed 07426096deadbe4799e99143db326d23...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:43.874366ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015133/publication.txt
observed d2acb298eed9f328931d86446b4e6557...
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.