OpenTechnical

OT-2026-000099621

Publication integrity record

Foam pad vacuum gripper, four zone face, six outlet manifold, pump fed, manifold pressure sensor, sustained 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-2026-000099621) never changes.

Identity and time

Publication numberOT-2026-000099621 · never reused
Internal UUID01a0aea2-c975-774c-9e06-fd7e8a02b701 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:39.138466Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099621
StatusPUBLIC

Content hashes

Canonical textc26719cb6fbe092c9dcac3536eaa25f9236550cbeea0fa70e576dba76d4a7181
Markdownad24f99ec8d0003d2ab82a54737bd070dc558ba1611d3eae7c7c2a62fbc7907e
PDF
Publication page8d61b50add4cfb73559dfb10cc0fb08ff10d71f1c3c4cd0d975121509a3dc01b
Manifest0811a1a074db09b51490d5526e703553b90685435cec07ec7658d4030ce0ec7d

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
SignatureZOBU+sztJ9O5VAc8rKML/pOhbJ9lpCx6z0YSffP7W1wkQzuJnAqKjq6QdcT39rXOWemfuto6xrB1G3K4VyBpAA==
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

2026-09-17T09:29:33.247447ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099621
observed 8d61b50add4cfb73559dfb10cc0fb08f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:33.230093ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099621/manifest.json
observed 0811a1a074db09b51490d5526e703553...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:33.212548ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099621/publication.md
observed ad24f99ec8d0003d2ab82a54737bd070...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:33.193487ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099621/publication.txt
observed c26719cb6fbe092c9dcac3536eaa25f9...
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.