OpenTechnical

OT-2026-000012452

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, three stage ejector, pulsed 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-2026-000012452) never changes.

Identity and time

Publication numberOT-2026-000012452 · never reused
Internal UUID01a0ae6d-39f7-7410-8468-00c750965dcb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:08.998406Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012452
StatusPUBLIC

Content hashes

Canonical text10e8e984dfc554c6e934005de5619957b89c23577bd6c402fd36686e79c26847
Markdownb6e2f9b9867ad63f91994f4b511e7388a87e914069d7db0ee0ff2bdbfa1b870d
PDF
Publication page9c21f98c5e577eb3282eb053d3b3218bf88a94c40a26ee7e8f6db92a2db9a7de
Manifest182dd98827069f87eff5a2edb810927ce8662ca1d3a046d05637c7d7819421d9

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
Signature+vEZq5cJPQS1EHpr3hswKwFgbhklxX1b4WJl3U4b38DUg7Epd8TZveVQK2wqr6KyGySvtsry/D3qxBwxMoknDw==
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

2026-09-17T12:11:57.457633ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012452
observed 9c21f98c5e577eb3282eb053d3b3218b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:57.438958ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012452/manifest.json
observed 182dd98827069f87eff5a2edb810927c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:57.421187ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012452/publication.md
observed b6e2f9b9867ad63f91994f4b511e7388...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:57.402047ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012452/publication.txt
observed 10e8e984dfc554c6e934005de5619957...
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.