OpenTechnical

OT-2026-000038503

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, pump fed, supply line pressure sensor, pulsed 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-2026-000038503) never changes.

Identity and time

Publication numberOT-2026-000038503 · never reused
Internal UUID01a0ae78-2d53-7420-84d2-17a4f5a50d61 · 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-2026-000038503
StatusPUBLIC

Content hashes

Canonical text725ec6adf95be7ae1538981024353254e8b18a96e4be04eb6eb8c45fdd125e35
Markdownaf07b3e7d1617d55dd8e01162f9e048706000cf290f6bb7bbf021a442742ab7b
PDF
Publication page140f61e7351b2e1a8033010e99ee5481817c7850304c9470981b96ec3672d34b
Manifestf650a3cf7557e02726e67dce3683592e7cffdfab93d9b07538e1095bbb8d0c77

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
SignaturekVBmdob9kfnQoYtpoUOHLSav7eUQeLMOFj41T/+all8p845sE/mC5GvrntAR14faWtqNKjZ0lVJS6mI4WqFxBA==
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

2026-09-17T11:22:45.059064ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038503
observed 140f61e7351b2e1a8033010e99ee5481...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:45.040755ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038503/manifest.json
observed f650a3cf7557e02726e67dce3683592e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:45.023793ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038503/publication.md
observed af07b3e7d1617d55dd8e01162f9e0487...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:45.006037ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038503/publication.txt
observed 725ec6adf95be7ae1538981024353254...
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.