OpenTechnical

OT-2026-000009212

Publication integrity record

Foam pad vacuum gripper, two zone face, two outlet manifold, pump fed, vented after 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-2026-000009212) never changes.

Identity and time

Publication numberOT-2026-000009212 · never reused
Internal UUID01a0ae6b-31b9-75d2-b441-9d0c68b7deff · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:55.823363Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009212
StatusPUBLIC

Content hashes

Canonical text3c936d23e883ea61f3e12cdc05f0025d265bd263f1f75ba90af68f9c88252d68
Markdownca56e9d090e8a20b90839a438a2ab4f0658c363da1371fdfa1c00c8015d4d327
PDF
Publication page60b5cc2e7e238b5b3cae8baf8458770b23e73c33ffea1616bb0d017ed4499ac8
Manifest6d2cc41c1ca3b405dd6cf221ff66d31ef6c41d8175d4a372658f7a3a5bed15d3

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
SignatureJrBLa5qXwO8FiOv8nc/TuGagUUql7xKowWX8bG7jVy2cC1ecaDFeitCkru4jQGeH8pGvbWOGNE+4KYXyNEr7Cw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:17:56.166158ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009212
observed 60b5cc2e7e238b5b3cae8baf8458770b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:56.145324ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009212/manifest.json
observed 6d2cc41c1ca3b405dd6cf221ff66d31e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:56.125457ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009212/publication.md
observed ca56e9d090e8a20b90839a438a2ab4f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:56.106315ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009212/publication.txt
observed 3c936d23e883ea61f3e12cdc05f0025d...
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.