OpenTechnical

OT-2026-000005319

Publication integrity record

Porous face vacuum gripper, four zone face, six outlet manifold, two stage ejector, contact triggered

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-2026-000005319) never changes.

Identity and time

Publication numberOT-2026-000005319 · never reused
Internal UUID01a0a935-4d9d-7175-86ef-a2ccf322ea47 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:53:57.920217Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005319
StatusPUBLIC

Content hashes

Canonical text19cb50efd04f9f9d37602dc0ff8b99c4bafb936e3bb11588c5c0db0849fc7197
Markdowncb65e27ab40b734332005fc567ab05cc1ea6e1a5d74c3a1068bf715a6cd9ee95
PDF
Publication pagecf6ff5a0585d0fce712c351b645c7f3d5c9aac53d9c6fa9009490c1ddafb3f1e
Manifestd21c6fe7314f25765dbb5e8d69e6fb2b8cb45cac0af10dbc6f99372bb4ea5c75

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
Signature9NO8ykuw34sgNdHFwUfprE1Za7ZsFh0ji6ZZS3gC1XFGYYU8FVqcB9DJZkQrBVcZBM3XUq4A+Af4khzbqcT7DQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:07:02Z
batch OT-TS-2026-W38-011 · RFC 3161 token · inclusion proof
root 8f13af7374aef42943b7bbe6a279c57a...

Independent retrieval

2026-09-16T08:00:23.144445ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005319
observed cf6ff5a0585d0fce712c351b645c7f3d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:23.131461ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005319/manifest.json
observed d21c6fe7314f25765dbb5e8d69e6fb2b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:22.992511ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005319/publication.md
observed cb65e27ab40b734332005fc567ab05cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:22.978788ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005319/publication.txt
observed 19cb50efd04f9f9d37602dc0ff8b99c4...
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.