OpenTechnical

OT-2026-000036156

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, pump 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-2026-000036156) never changes.

Identity and time

Publication numberOT-2026-000036156 · never reused
Internal UUID01a0ae77-01ce-73dc-8a03-3cf7b1db4063 · 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-2026-000036156
StatusPUBLIC

Content hashes

Canonical text2940b2a2639a7b52a360568d79e83b1736f6d0d7e7b9edc16338c7000024a2a3
Markdownb312e6ff21d9796814cefc11cd536b1ef581edd6d1bae4676615fa8ff838a93b
PDF
Publication page0dc57260709d9a345cf6a8f79e94a33a4d40167be9bdd32c8066dbd9999b9de5
Manifest3ff20245fce15eea1b9b386eeb9b1371eccce30924a6802b38a54f41a2843323

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
SignatureC9dGlwy880xq4QxIDoPh7f5dhK9wiLwxSkjCs37LlPEEYKE4R+yGUltz/sze1n7QecTvq0f0dh5jWtOosC7KCg==
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

2026-09-17T11:26:22.841803ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036156
observed 0dc57260709d9a345cf6a8f79e94a33a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:22.816474ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036156/manifest.json
observed 3ff20245fce15eea1b9b386eeb9b1371...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:22.797266ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036156/publication.md
observed b312e6ff21d9796814cefc11cd536b1e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:22.644952ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036156/publication.txt
observed 2940b2a2639a7b52a360568d79e83b17...
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.