OpenTechnical

OT-2026-000099623

Publication integrity record

Foam pad vacuum gripper, four zone face, six 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-2026-000099623) never changes.

Identity and time

Publication numberOT-2026-000099623 · never reused
Internal UUID01a0aea2-c975-73e3-86a6-7337418dafde · 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-2026-000099623
StatusPUBLIC

Content hashes

Canonical text77cc9810abecc94eb0be4262ca21a28b61192a39aee07c35471405f985dd8a77
Markdown586a5f8f1a00bb206f45fbfb67ae173a19a5f81c090cc528314d64754827106e
PDF
Publication page06d9bab7b39e13a92a2c1503796abec30155cb0e2616227fe1df9520a4481047
Manifest73abb3ea23001a174cb32a58bf7e3574d9ec6967a34e77783817349ebb9e8bc7

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
SignatureNgA4CYNKIHM4VLrFyr43rpW/RQeNEM8njvldmS/P2FuWCRtyUUbkecPGmAs7eCewxpnJGzS+uNB0r2bERDTFCg==
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

2026-09-17T09:29:33.426092ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099623
observed 06d9bab7b39e13a92a2c1503796abec3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:33.408007ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099623/manifest.json
observed 73abb3ea23001a174cb32a58bf7e3574...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:33.372342ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099623/publication.md
observed 586a5f8f1a00bb206f45fbfb67ae173a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:33.335910ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099623/publication.txt
observed 77cc9810abecc94eb0be4262ca21a28b...
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.