OpenTechnical

OT-2026-000092001

Publication integrity record

Foam pad vacuum gripper, three zone face, six outlet manifold, pump fed, pressure sensor per zone, 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-2026-000092001) never changes.

Identity and time

Publication numberOT-2026-000092001 · never reused
Internal UUID01a0ae9d-43bb-7e17-b67a-680c56adda74 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:37.256105Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000092001
StatusPUBLIC

Content hashes

Canonical texte74910c2c4ef8129691453d5760021585d1619284c07fa36d049ffe450636ee2
Markdown8179aafd1c94e2bc25cf3c0f4bb4c622835958d2761d15f289429a72f0869ead
PDF
Publication page944bca5a827d012ebd31106f0ef0a7837adcafa660c84c14ba08f81943dfc404
Manifest5ea4e58ea52f0a6f516cde2c9ca7e3ebd9d80eed0c25c03a0edef038cf158e45

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
SignaturevYESX6j5w4J5JUVpAjtHft0JsyDn4Q0lnV667aDFVwl/cwdhQoNKQiYeMPck03xxZ2TiiOL8KMQMnLfaWVxNDA==
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

2026-09-17T09:43:00.705299ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092001
observed 944bca5a827d012ebd31106f0ef0a783...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:00.678365ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092001/manifest.json
observed 5ea4e58ea52f0a6f516cde2c9ca7e3eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:00.648421ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092001/publication.md
observed 8179aafd1c94e2bc25cf3c0f4bb4c622...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:00.617937ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092001/publication.txt
observed e74910c2c4ef8129691453d576002158...
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.