OpenTechnical

OT-2026-000008724

Publication integrity record

Three cup vacuum gripper, three zone face, plant vacuum fed, supply line pressure sensor, pulsed blow-off 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-2026-000008724) never changes.

Identity and time

Publication numberOT-2026-000008724 · never reused
Internal UUID01a0ae6a-e46c-7f1c-bb6b-f6ee50edcc4e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:36.030441Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008724
StatusPUBLIC

Content hashes

Canonical text6066f9b28be59f198ae05f05072d42bf083d62ab951fddcefeb50a42bc692372
Markdown1731c4637c63c72c87f2c7c7ebda54ea67c254c24d468b73724166ed8097514c
PDF
Publication pagec97b8ea19cb1d5f7d80f53d907ed5aef0355ba8a73ebe3d48db279bf630725b8
Manifest2f4ad740d39f1ceffb0f4f801a059ecdd9ff708a15e6453882e72d71ddc5e464

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
SignatureWNHvbvDnHpNiDWE2j2A+8nwQnSFTegi+n7+Q+5iPfrntJWx1OuXa+cr5dXDe9gxTD7Ioh3UNP9Z1Slm4TOyHDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:18:48.388390ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008724
observed c97b8ea19cb1d5f7d80f53d907ed5aef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:48.368237ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008724/manifest.json
observed 2f4ad740d39f1ceffb0f4f801a059ecd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:48.343951ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008724/publication.md
observed 1731c4637c63c72c87f2c7c7ebda54ea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:48.323520ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008724/publication.txt
observed 6066f9b28be59f198ae05f05072d42bf...
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.