OpenTechnical

OT-2026-000025123

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, three stage ejector, pulsed blow-off before set-down

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-2026-000025123) never changes.

Identity and time

Publication numberOT-2026-000025123 · never reused
Internal UUID01a0ae71-5fa5-7303-a4f2-14f8f621fde6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:40.790954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025123
StatusPUBLIC

Content hashes

Canonical texte1a02acc62be7346ec22a32900e8725153ffd40c0bc0e598327321d7412f8d48
Markdowne7a506dd3cc6dbd8fcc513c423480d371e86f38e57b34ee1d64a2c3452597ea4
PDF
Publication page2aeb9928e0fb1a6ad656898aa95783fe230490ea22b9b23e3c1a22ea2dfb64cd
Manifestfcbd6f72d55f0218a293bf90e5b6dd7ae380502ebe8c65e765ce6bd007494791

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
SignatureBuEcY7TxmihjKZzUSzUiKLEzoyVab27WdU4aW2BXK+P5W9clG/Ysc7A2uNO8WDQhG8XtYHE5T+1da3/aPLaBAA==
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

2026-09-17T11:47:00.062132ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025123
observed 2aeb9928e0fb1a6ad656898aa95783fe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:00.041554ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025123/manifest.json
observed fcbd6f72d55f0218a293bf90e5b6dd7a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:00.022463ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025123/publication.md
observed e7a506dd3cc6dbd8fcc513c423480d37...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:00.001732ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025123/publication.txt
observed e1a02acc62be7346ec22a32900e87251...
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.