OpenTechnical

OT-2026-000069643

Publication integrity record

Three cup vacuum gripper, three 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-2026-000069643) never changes.

Identity and time

Publication numberOT-2026-000069643 · never reused
Internal UUID01a0ae90-b52c-7310-b0ff-06fb87c8bc5e · 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-2026-000069643
StatusPUBLIC

Content hashes

Canonical text6d678bbe7c1888eac4028b5cd34e9cd9689b7d87f8209663fd781307e6b416a2
Markdown289ac35d2d59c65f1aefdfd8d7a9d4c5ef4c484009db4c3640d844a583993d83
PDF
Publication pagedb4cdc72648a7f93070d74f57fcd1a139cc97ecb13724a7adea301eeb4d792a8
Manifesteb34c666d2e41404805fe3046ff37f1e396f88d8e38c428288218921031b6e66

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
Signature0ysdczjt6L6LMeIUUeUimPTXjgz+H1SqHaSoa3MgbYCxjwsEbS4A+QQukgdUQS4ooPBd086bxMZThoDGvdeZDg==
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

2026-09-17T10:28:18.702355ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069643
observed db4cdc72648a7f93070d74f57fcd1a13...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:18.685850ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069643/manifest.json
observed eb34c666d2e41404805fe3046ff37f1e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:18.667670ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069643/publication.md
observed 289ac35d2d59c65f1aefdfd8d7a9d4c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:18.647407ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069643/publication.txt
observed 6d678bbe7c1888eac4028b5cd34e9cd9...
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.