OpenTechnical

OT-2026-000016968

Publication integrity record

Single bellows cup vacuum gripper, three 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-2026-000016968) never changes.

Identity and time

Publication numberOT-2026-000016968 · never reused
Internal UUID01a0ae6e-591a-7e52-a0a1-5ce82773ceb0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:22.507214Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016968
StatusPUBLIC

Content hashes

Canonical textb2105611d1e656af46c303b9eb4a4223d52913eea4e5afe103f13c07b50edd40
Markdowna53a4c4aede1260b8b00cea9e931ba2ae6972170e95ed549f5c60317fbbb4605
PDF
Publication page6f0497062d1771ba26b701b8da8def2b99c1a7aa2b5e88970e08fef2d4995ab2
Manifest327b84a524f51796213178e6254033293ca055cf9e57455dcdba097407fc5493

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
Signature4znE81OxpaDboqGHSO9t2LiJFawTPMex0A91zQ+Jmkfw/RjW7cESIeEq6CGF5nTUjA/p5WKsm9D74d+6Q2rZDg==
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

2026-09-17T12:03:21.837471ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016968
observed 6f0497062d1771ba26b701b8da8def2b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:21.816291ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016968/manifest.json
observed 327b84a524f51796213178e625403329...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:21.775907ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016968/publication.md
observed a53a4c4aede1260b8b00cea9e931ba2a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:15.627099ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016968/publication.txt
observed b2105611d1e656af46c303b9eb4a4223...
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.