OpenTechnical

OT-2026-000021024

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, single stage ejector, 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-2026-000021024) never changes.

Identity and time

Publication numberOT-2026-000021024 · never reused
Internal UUID01a0ae6f-65e4-7ac6-854b-5416a0c424ff · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:31.316024Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000021024
StatusPUBLIC

Content hashes

Canonical texta134136370856a3aa9c5fc68d2abc8eec94ae232883ca2387f0abe82e19c3474
Markdown0d6a352618b3e754264e4e0c13095e72abd0f9555c749eaf8d5717ac1dd64740
PDF
Publication page8c629fcb423ae929ce22e3231ce1adf8d41e0c23894177c53f4d2a2604b17b81
Manifest213554f1ff741b66d4ae384b41ba24e4b80e4bd48d7b65b4dc4052b56c046461

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
SignatureR/k1Own6XAYw//DzpAcnS87QVj+Q4QUUxElOBnLdiq2hg3qrHRzJdb5X3hRSZ/Wpf4F1rHPFqdvARbcC7UuVBQ==
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

2026-09-17T11:56:11.015615ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021024
observed 8c629fcb423ae929ce22e3231ce1adf8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:10.997549ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021024/manifest.json
observed 213554f1ff741b66d4ae384b41ba24e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:10.980147ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021024/publication.md
observed 0d6a352618b3e754264e4e0c13095e72...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:10.962168ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021024/publication.txt
observed a134136370856a3aa9c5fc68d2abc8ee...
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.