OpenTechnical

OT-2026-000012674

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, pump fed, pulsed blow-off before set-down

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-2026-000012674) never changes.

Identity and time

Publication numberOT-2026-000012674 · never reused
Internal UUID01a0ae6d-5562-7e7e-91c3-231bb9188d9f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:16.019734Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012674
StatusPUBLIC

Content hashes

Canonical textc71203852a2fb251a29d3297bbded671a9babf463c4b70dd92a19b1a907a1753
Markdownc03ecd69c2f78ad2c8e79e116c4e31bebaea89121faad903cb8e172b85d4ae95
PDF
Publication page2245c20d875b2d2cadd12d8d2213a34464ed5940c6d7b08bd23af3f035a30fe8
Manifestacdc30901a4e551923d8f4d30ae6efcbacebee57b70e459fcf3510cb5cb47fa0

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
Signature4ib88ufWW8CpLUJteStebP0KzNXGkCsBggcCmgkLqT2enrtVBpUzjf72VvILNRVbHWHboqPYi5JUJU2nMzsiAA==
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

2026-09-17T12:10:19.186358ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012674
observed 2245c20d875b2d2cadd12d8d2213a344...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:19.165424ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012674/manifest.json
observed acdc30901a4e551923d8f4d30ae6efcb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:19.146790ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012674/publication.md
observed c03ecd69c2f78ad2c8e79e116c4e31be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:19.125687ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012674/publication.txt
observed c71203852a2fb251a29d3297bbded671...
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.