OpenTechnical

OT-2026-000027181

Publication integrity record

Two cup vacuum gripper, two outlet manifold, plant vacuum fed, supply line 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-2026-000027181) never changes.

Identity and time

Publication numberOT-2026-000027181 · never reused
Internal UUID01a0ae72-3454-76db-94a1-f70d4a567f56 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:35.358864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027181
StatusPUBLIC

Content hashes

Canonical text2b6f05f3667d76ba60c695d18205b3562e586acc14b6efbbd326b20f248d4131
Markdown9e85be03ee1aac401ffe88e766caed273a1c82dd259169e9445c068ea5071fc6
PDF
Publication page270cdeb5ba4380aa272da3d60b2f2669975ad8ccacf208daaee30cbdd6c5013f
Manifest4e19bcf222e1191d5742e4c1b3ce135a2e950ca3ae360125bd3c0b915e5932ba

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
SignatureO2hyd+4ygmQ2dZkp6ed5C/djUarQQUvuht9R1/kUAOQkznSfrjlOddhOtMp4a1sVQgg/r+0ASMR1j4yP9KBcCQ==
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

2026-09-17T11:44:04.033201ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027181
observed 270cdeb5ba4380aa272da3d60b2f2669...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:04.015714ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027181/manifest.json
observed 4e19bcf222e1191d5742e4c1b3ce135a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:03.997429ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027181/publication.md
observed 9e85be03ee1aac401ffe88e766caed27...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:03.981316ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027181/publication.txt
observed 2b6f05f3667d76ba60c695d18205b356...
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.