OpenTechnical

OT-2026-000019437

Publication integrity record

Single cup vacuum gripper, common isolation valve, 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-2026-000019437) never changes.

Identity and time

Publication numberOT-2026-000019437 · never reused
Internal UUID01a0ae6e-f393-7653-9a28-0c54ba4f7cea · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:02.050431Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019437
StatusPUBLIC

Content hashes

Canonical textcb41046d6bb69b2c37866507867a64727af8324505c2389609e1ffa8dcc7c844
Markdown1f767263b195c7182c6ecf636c63a3be339782d3c631b3cd42078913f111713b
PDF
Publication page33919a382aeccc77e7888ebc7bd132aea11a544624ff5f03d70d0f177464ff2a
Manifest3ac3725c6812495b78d29ac9fa9a43edb687952d4a59d5d8975160f2b5ebce0d

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
SignatureeOlzg6UBIjme4uCIy6qVdTFaaJbe5o8fW8V8RalmjLXcD35Cq+fp3tJcik6WD770CBMasEUMJMphgRKNB3uCAA==
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

2026-09-17T11:58:50.005412ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019437
observed 33919a382aeccc77e7888ebc7bd132ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:49.988804ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019437/manifest.json
observed 3ac3725c6812495b78d29ac9fa9a43ed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:49.969481ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019437/publication.md
observed 1f767263b195c7182c6ecf636c63a3be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:49.950180ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019437/publication.txt
observed cb41046d6bb69b2c37866507867a6472...
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.