OpenTechnical

OT-2026-000099713

Publication integrity record

Two cup vacuum gripper, two zone face, plant vacuum 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-2026-000099713) never changes.

Identity and time

Publication numberOT-2026-000099713 · never reused
Internal UUID01a0aea2-c977-7063-a402-0fea96ecc981 · 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-2026-000099713
StatusPUBLIC

Content hashes

Canonical texte9513d3a7da36bbae9aeef5fa4632dd2c99bbea436e33bf8cc625bfe660d44aa
Markdown7f89369f874eec68b59ab7d081019cadc48e1be07c3058a85129616536bbb9f1
PDF
Publication page4aa5ccf9c20b77932729f3234ebc1ec20a40921ca29121206f5441e203c893e4
Manifestb9e7298369e2aae75af5a1c97b2401a43e54839761d7647beb34c005a05955de

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
Signature9vbV8wmC3bakQryM/1Gmz2LN19T8F1wv3BzEGVkNfKWBTHC0RIWIIXAvj2ebodZ+B7XLBn3LzIFqKbNDOmf5DQ==
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

2026-09-17T09:29:43.810626ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099713
observed 4aa5ccf9c20b77932729f3234ebc1ec2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:43.793795ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099713/manifest.json
observed b9e7298369e2aae75af5a1c97b2401a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:43.777184ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099713/publication.md
observed 7f89369f874eec68b59ab7d081019cad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:43.760674ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099713/publication.txt
observed e9513d3a7da36bbae9aeef5fa4632dd2...
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.