OpenTechnical

OT-2026-000013125

Publication integrity record

Three cup vacuum gripper, three outlet manifold, single stage ejector, 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-2026-000013125) never changes.

Identity and time

Publication numberOT-2026-000013125 · never reused
Internal UUID01a0ae6d-6fc8-749b-8c6d-66abf00eb458 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:22.837188Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013125
StatusPUBLIC

Content hashes

Canonical texta3fe7c24e0529caaff558efb7a330409e12e859bd623cb5cb7b13e674cf52d6e
Markdown1925112144fc0705fe94451822ca83014361e2f39d97b48bf91f2be9f95c78b1
PDF
Publication pagebc65cbf4116e053cf5c81f50e6589fcb6f2f5cb778add04bc444551439217f0d
Manifest093b9cdc6ca7ac5fe123d1e0a91c9fcb2686125db811a2d009779ba74816c585

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
Signature7nlDTNun7t8exzGD/GqCzoEqc20L9Lf5J8/xjg1oaYzEArAnewrBCqNc31D8IR5FBUly5kGqffcwHnjXAJGQDw==
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

2026-09-17T12:09:24.891796ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013125
observed bc65cbf4116e053cf5c81f50e6589fcb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:24.872351ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013125/manifest.json
observed 093b9cdc6ca7ac5fe123d1e0a91c9fcb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:24.853779ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013125/publication.md
observed 1925112144fc0705fe94451822ca8301...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:24.834713ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013125/publication.txt
observed a3fe7c24e0529caaff558efb7a330409...
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.