OpenTechnical

OT-2026-000010754

Publication integrity record

Three cup vacuum gripper, three outlet manifold, pump fed, manifold pressure sensor, vented after 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-2026-000010754) never changes.

Identity and time

Publication numberOT-2026-000010754 · never reused
Internal UUID01a0ae6c-0ee8-719e-8fdc-c234e183be42 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:52.445886Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000010754
StatusPUBLIC

Content hashes

Canonical textd64bda783e9b4b37a0087479525fdc0d8a35a836ca2522d75d5a8ef0c123cd47
Markdownace4cdf8b2f49cd9ddfefdb79d15d379c5b9c86a2ad60ab33fcc0384e6867656
PDF
Publication paged314b873fc57f396f112e13fdf6035da0577bbb65d7c415a890c212ff8852c2f
Manifest79269a32d02624eb5bb29b356b0723789060c1ddba5e54ba02a16e6f67e07a94

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
SignatureALockb2yt8sNizKhJbwkYQGKjgFl3E4XXpq3FzGFwzzZ7hQpj3WHRv7LH0ILt9PuS7BmHCLd8XQ+m7IEAsUODw==
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

2026-09-17T12:14:59.288162ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010754
observed d314b873fc57f396f112e13fdf6035da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:59.269819ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010754/manifest.json
observed 79269a32d02624eb5bb29b356b072378...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:59.250348ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010754/publication.md
observed ace4cdf8b2f49cd9ddfefdb79d15d379...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:59.230266ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010754/publication.txt
observed d64bda783e9b4b37a0087479525fdc0d...
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.