OpenTechnical

OT-2026-000069499

Publication integrity record

Two cup vacuum gripper, two zone face, six outlet manifold, plant vacuum fed, pressure sensor per zone, pulsed blow-off before 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-2026-000069499) never changes.

Identity and time

Publication numberOT-2026-000069499 · never reused
Internal UUID01a0ae90-b52b-774e-95a8-a3f4c735ee76 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:54.310022Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069499
StatusPUBLIC

Content hashes

Canonical text4efd8e1acf0c1f93d5eabe6020225b5bda8d6b6bfb5596f170faec9feaf523fc
Markdown552c256b58fb5df527e41ee03e42248c140b3314c83681081d127dfdb82df6a5
PDF
Publication page7985b8286cd140d617f75da132922325b69873fa9e6699134c1cf7eb2b2e3f17
Manifestffc4a20a0da97929726121ebc70425b0a44c4e40fe021068d77b91a17eec1bb3

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
Signaturel+fT9My7RR0EQ7YKi00hudghOTy5/ecW7UoPVnyjG12TXz0juft4wgYlQ1ECTnQdSzvYl/XmFILmdYMoyi9CBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:30:34.947440ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069499
observed 7985b8286cd140d617f75da132922325...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:34.928694ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069499/manifest.json
observed ffc4a20a0da97929726121ebc70425b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:34.909958ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069499/publication.md
observed 552c256b58fb5df527e41ee03e42248c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:34.893163ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069499/publication.txt
observed 4efd8e1acf0c1f93d5eabe6020225b5b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:07.841171ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069499
observed 7985b8286cd140d617f75da132922325...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:07.822292ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069499/manifest.json
observed ffc4a20a0da97929726121ebc70425b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:07.804444ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069499/publication.md
observed 552c256b58fb5df527e41ee03e42248c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:07.785280ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069499/publication.txt
observed 4efd8e1acf0c1f93d5eabe6020225b5b...
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.