OpenTechnical

OT-2026-000103031

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, plant vacuum fed, pulsed blow-off after 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-2026-000103031) never changes.

Identity and time

Publication numberOT-2026-000103031 · never reused
Internal UUID01a0aea4-be3d-7697-8db2-d5d7b5a1ccc7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:47.343354Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103031
StatusPUBLIC

Content hashes

Canonical text9b26f8481baaa45e6c6276f141b26dff84114e491818079aef8ac99b2844e970
Markdownfe96e6c65f30ac883d378dc2fed7acd9c2196ffd0d3b0a65bdc8a1c5f6dabdef
PDF
Publication page11bef215db4242f88558d56a29bebd0b6c908f28dea0c878145c841f24ee00c8
Manifest8da419790f6cbab305e2a8168a4968a7a1be7619ef273d280fdfc866cad26155

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
SignatureTdybCJXk40X0JA54MaEqiKhvrBRODekapMg6kvczcEm3OqtJH0Eh6clKmEHjr/+5HQe7pHtpQ0ju8/7huNHUDg==
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

2026-09-17T09:23:09.186523ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103031
observed 11bef215db4242f88558d56a29bebd0b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:09.167947ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103031/manifest.json
observed 8da419790f6cbab305e2a8168a4968a7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:09.135903ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103031/publication.md
observed fe96e6c65f30ac883d378dc2fed7acd9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:09.091001ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103031/publication.txt
observed 9b26f8481baaa45e6c6276f141b26dff...
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.