OpenTechnical

OT-2026-000102115

Publication integrity record

Four cup vacuum gripper, four zone face, per zone isolation, pump fed, pulsed 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-2026-000102115) never changes.

Identity and time

Publication numberOT-2026-000102115 · never reused
Internal UUID01a0aea4-50f2-7fe8-bacd-03d9618d6e7a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:19.361569Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102115
StatusPUBLIC

Content hashes

Canonical text817538103a8e6c7229d0482778d303cfface3abb5dac86206880667048d66c58
Markdowna3fac7409f61dfa8d207c6114936dc9635a070037ff22651021dc558daf79b4e
PDF
Publication pagef3adcdba7b8876022e1ceda0000fa30200a20760c16a814d448f3a3d49b5fd66
Manifest4ca861df9d301f2ad43cd740cef5ffa2ecf27a90fef4c287bf76406898665e58

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
SignaturelZD5e2ma+ZG49jY/N0sqBb/vJ/4tX45Q++L+wwKBP1rCaBnUvoB9qFVkPdxZVTov3Xz6tvjSotaZqNqLjxTLBw==
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

2026-09-17T09:25:16.222137ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102115
observed f3adcdba7b8876022e1ceda0000fa302...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:16.203936ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102115/manifest.json
observed 4ca861df9d301f2ad43cd740cef5ffa2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:16.186266ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102115/publication.md
observed a3fac7409f61dfa8d207c6114936dc96...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:16.169104ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102115/publication.txt
observed 817538103a8e6c7229d0482778d303cf...
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.