OpenTechnical

OT-2026-000100217

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, 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-2026-000100217) never changes.

Identity and time

Publication numberOT-2026-000100217 · never reused
Internal UUID01a0aea3-3053-74c3-a678-8417f666367c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:05.469356Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100217
StatusPUBLIC

Content hashes

Canonical text02cee04e02601ff6319f9b7ff3f414c5c8cd27b19a4b5898603739da56aefd2c
Markdown6640c0e43b55fd039a84e645a5623d868ae02d2333473b4db62968fe501760c6
PDF
Publication page76fdab383679da47c227ed57fceb40524001412e1785c4e7104c1f0b6a401a94
Manifeste6dad62f05c75b5a3015b628c51f12d04cad98c1ef70953c0efbb88cd24981eb

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
SignaturerkSOGYSO6qd+jdvWcF9hc7tovhZjPrMIQ/zoucKJudw0v+VuKQupuJB2QMWLk9+eckX5nQPFWrbOXx2FdQX8Ag==
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

2026-09-17T09:27:56.613194ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100217
observed 76fdab383679da47c227ed57fceb4052...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:56.595500ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100217/manifest.json
observed e6dad62f05c75b5a3015b628c51f12d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:56.577440ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100217/publication.md
observed 6640c0e43b55fd039a84e645a5623d86...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:56.558229ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100217/publication.txt
observed 02cee04e02601ff6319f9b7ff3f414c5...
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.