OpenTechnical

OT-2026-000042402

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, plant vacuum fed, sustained blow-off 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-2026-000042402) never changes.

Identity and time

Publication numberOT-2026-000042402 · never reused
Internal UUID01a0ae7a-5d75-75f1-9eda-4136d6295514 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:30.052779Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042402
StatusPUBLIC

Content hashes

Canonical text5571e5da151eeb2106d1b4ff575291212a58008f220fbe2394bf2362f63d5444
Markdowncadbf377afe3d3429ce0631adddd93da1b59a6cc1f7d5b7d5d981d1a99c9ee00
PDF
Publication paged8cfb12a26d55b76e695cb6bbd4378ebe8ae2afa8eb6e83813a9eb04c70f6b5a
Manifestc953d0f0deb737a1c2648cb159de97e9c599378b42dbad10a471f7a6e5e34834

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
SignatureVVQwtkXkxKhuGcuPKo7Kfyx8qZ2/3QAv0WFCYgnpsGT+zuiq1ySyB3BRYAU4FGX+L+Rc9Rv90VXmGjLtsFWlDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:16:11.852865ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042402
observed d8cfb12a26d55b76e695cb6bbd4378eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:11.835343ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042402/manifest.json
observed c953d0f0deb737a1c2648cb159de97e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:11.819093ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042402/publication.md
observed cadbf377afe3d3429ce0631adddd93da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:11.802821ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042402/publication.txt
observed 5571e5da151eeb2106d1b4ff57529121...
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.