OpenTechnical

OT-2026-000079067

Publication integrity record

Foam pad vacuum gripper, three zone face, six outlet manifold, plant vacuum fed, pressure sensor per zone, 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-2026-000079067) never changes.

Identity and time

Publication numberOT-2026-000079067 · never reused
Internal UUID01a0ae95-ccbf-779d-b17d-ab49e6aadad9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:28.017032Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079067
StatusPUBLIC

Content hashes

Canonical text6000dee1c28b58e48ee9032c6c1eeff7858f4a754984f6f9dbff50de72a9454c
Markdown705a80b81dce354c277e8c5535c944707a061b45da08e85be4652070907bcd16
PDF
Publication page250cce2ba0f680835e6b9a2bd9e1827583560ef1877dbdc89d7cf0131b4fa485
Manifest9cf8ef2f516b5f0768d4ef621b8d3cc6356e8498fa6ca1e0ba25828854d76245

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
SignatureYLKHHmCNGCa7G7MUs7pwb5yA1CEt/z5J9tGAIXA97xDMS1zDN7WtAQ/1/7dZKMkHBtiBjw9TsmNc/NcGQNvnBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:05:54.607019ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079067
observed 250cce2ba0f680835e6b9a2bd9e18275...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:54.589425ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079067/manifest.json
observed 9cf8ef2f516b5f0768d4ef621b8d3cc6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:54.570883ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079067/publication.md
observed 705a80b81dce354c277e8c5535c94470...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:54.550578ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079067/publication.txt
observed 6000dee1c28b58e48ee9032c6c1eeff7...
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.