OpenTechnical

OT-2026-000087392

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, pump fed, sustained 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-2026-000087392) never changes.

Identity and time

Publication numberOT-2026-000087392 · never reused
Internal UUID01a0ae9a-cd4f-7b8a-b4c1-ddfd030c8b57 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:55.852518Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087392
StatusPUBLIC

Content hashes

Canonical text63b6b9daee544aed1bf9d9c48428971ec8f6d5e1157ebe90ad2b5f5c78f770c5
Markdownfb22f82e64efa77523163c57bab8d6357ff0004299d1e810d1914f12c8d60886
PDF
Publication page15278f6dd424d03291d0cf3af6287161dd6b1304fe019ba393aa57b94aa39654
Manifested2ee002e7c0134edee7dc17a425c7aae1352e089623ae7f97fc4d5545f39aeb

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
SignatureC3or/9ATIaPp3/ASs43nL2fcE77iVQq/QSwv04GM+N7PYcQQeSU0gSU0AnMi8RB0BiNTUfrArhq10Ioh0xVXAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:50:42.143664ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087392
observed 15278f6dd424d03291d0cf3af6287161...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:42.125190ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087392/manifest.json
observed ed2ee002e7c0134edee7dc17a425c7aa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:42.107551ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087392/publication.md
observed fb22f82e64efa77523163c57bab8d635...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:42.088782ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087392/publication.txt
observed 63b6b9daee544aed1bf9d9c48428971e...
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.