OpenTechnical

OT-2026-000099112

Publication integrity record

Two cup vacuum gripper, two zone face, four outlet manifold, pump fed, manifold pressure sensor, sustained 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-2026-000099112) never changes.

Identity and time

Publication numberOT-2026-000099112 · never reused
Internal UUID01a0aea2-8287-76a8-9b3b-e0e994a7999b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:20.980080Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099112
StatusPUBLIC

Content hashes

Canonical text105de88983877391d12363a4de67392a364e0a27439bcbf98e8768336157a5ad
Markdown56640f54bfc773f2de58927a85f44d51cb8d8a802f76d3654c3beb452b7da29f
PDF
Publication pageb4dda0b70d0e84f8fc2630721157296b5c3031acc4fcc8933e9d462883bb1a01
Manifest7e6b0d273f330977141d4addaa90fed712ca5ffe83f4ad4aa0e57ed3822a5ca5

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
SignatureTlZAqzFQLal7pzmgWVZhHCU/VmVxZ/i+dEYC4tOLnAfDUvFf8GMxrWDn7wMJcCtBNgVdsAPdyAJJIgj3K7I4AQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:30:21.483021ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099112
observed b4dda0b70d0e84f8fc2630721157296b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:21.464250ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099112/manifest.json
observed 7e6b0d273f330977141d4addaa90fed7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:21.444906ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099112/publication.md
observed 56640f54bfc773f2de58927a85f44d51...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:21.424872ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099112/publication.txt
observed 105de88983877391d12363a4de67392a...
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.