OpenTechnical

OT-2026-000036012

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, 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-2026-000036012) never changes.

Identity and time

Publication numberOT-2026-000036012 · never reused
Internal UUID01a0ae77-01cd-7fcb-9994-4bc0c103e1ee · 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-2026-000036012
StatusPUBLIC

Content hashes

Canonical text39a0a0caa4a02475301b34ecdc77d056aa92a30eeced46b79a72869d4c929995
Markdown43af2f11762b269a4b795404cd705cf98a7b813124edbbd3de78c0394550e5dc
PDF
Publication page786d5d35defead03e0ead6ddec222c8f2880a0798b8a1832bf421a74d5db5ac8
Manifest6fdbb5be161736d7f2c7892a46b1c52d91d58d4363d9dd25842abcf487060801

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
SignatureGfZHgc8MMxO4yzzWQeBp6RLjtbCQBBzMUusBfgCjxYLluI64GrhEaIj39btCmwPIONzaHyOK5+4WtYrTzXHUCQ==
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

2026-09-17T11:26:10.748854ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036012
observed 786d5d35defead03e0ead6ddec222c8f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:10.732272ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036012/manifest.json
observed 6fdbb5be161736d7f2c7892a46b1c52d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:10.715166ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036012/publication.md
observed 43af2f11762b269a4b795404cd705cf9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:10.697702ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036012/publication.txt
observed 39a0a0caa4a02475301b34ecdc77d056...
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.