OpenTechnical

OT-2026-000038619

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, plant vacuum fed, supply line pressure sensor, 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-2026-000038619) never changes.

Identity and time

Publication numberOT-2026-000038619 · never reused
Internal UUID01a0ae78-2d54-7911-964e-38425c5db0e3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:06.661829Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038619
StatusPUBLIC

Content hashes

Canonical textf31e96bb7c76cb94b1a8b1c6a23dfc3385e3375cc84a2a003e02cdbf21306f2a
Markdown57bb6a66fdc3ae1b41d23f746909c6138fcf0b226926a1ccf21c6506576c1dd8
PDF
Publication page3a2cc536605b116d40227b5dd1372edcbe1af82c7d9946813acfe7c66c672732
Manifest002aa1ffe167f4814a2c5c019bd6043b3945d7c2009be52415ea62c7280199c6

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
SignaturegW2MthtkLpdCy0GcA1/zjnVI1q/+JQidfFcghAT9gKh369sJuVN7Z9E4k6yeT8d5vcOafiHcdW6O5z4LMSJwBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:22:54.997005ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038619
observed 3a2cc536605b116d40227b5dd1372edc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:54.980144ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038619/manifest.json
observed 002aa1ffe167f4814a2c5c019bd6043b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:54.960617ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038619/publication.md
observed 57bb6a66fdc3ae1b41d23f746909c613...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:54.943419ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038619/publication.txt
observed f31e96bb7c76cb94b1a8b1c6a23dfc33...
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.