OpenTechnical

OT-2026-000103892

Publication integrity record

Three cup vacuum gripper, three 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-2026-000103892) never changes.

Identity and time

Publication numberOT-2026-000103892 · never reused
Internal UUID01a0aea5-15e7-7e52-b53b-00db57d69aa5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:14:09.781581Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103892
StatusPUBLIC

Content hashes

Canonical text3dd611762948976240de405ca73b70c9bc9a52b9559d7ed0186fc1cf7abd6cd7
Markdown7e0d3712caae25397ba74b1bd1a036af21f31d9105da907ea4319701b03dd53c
PDF
Publication page47f16ff791d6e6bf6e3fb7ba3835f0e8c69b45d85af971fc70b5dd5b6a5c6e0f
Manifest7adf912750ed01e816fb8621db7289aed4ddc0cc1ed0709a217f42dc3430350c

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
SignaturepGRTIbUUBdRNTu6WTQ+nzMeM7YkuXJ0QC0qyr3LNsqzEzeUOyfyZSdDUhpiRM/0QKGVnQ3D7vsK6Xvf2ixOWAg==
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

2026-09-17T09:21:52.863550ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103892
observed 47f16ff791d6e6bf6e3fb7ba3835f0e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:52.845205ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103892/manifest.json
observed 7adf912750ed01e816fb8621db7289ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:52.827629ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103892/publication.md
observed 7e0d3712caae25397ba74b1bd1a036af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:52.809713ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103892/publication.txt
observed 3dd611762948976240de405ca73b70c9...
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.