OpenTechnical

OT-2026-000085469

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, single stage ejector, 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-2026-000085469) never changes.

Identity and time

Publication numberOT-2026-000085469 · never reused
Internal UUID01a0ae99-aaab-7314-bb84-1b2e3b92f190 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:41.564662Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085469
StatusPUBLIC

Content hashes

Canonical textfaa6fd22841c81d2748daea9ea2e4240f2a9562946836a4ae85ac81171b8f1e1
Markdown3cf4dc7468753c68e7565d9d0146ef9ffad4090756e045282440d79f285e0b8d
PDF
Publication page0c8c694eaefe4eb6dde1f7740dd295389e62cfdbf99c855fd0835393eb51d4a8
Manifest3b7d8c9831d9d05abda4018c24bdb77a701157fe9045ae51d7204abe2f23ef82

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
Signature07wqKU9/lRf/hXxu+jSb83arVVQMiIbM9jIPFcy8NYctduWdl/lLsJCVmtn+cyxx6CRVVq/erwhyddC+59N3Cg==
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

2026-09-17T09:54:15.793951ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085469
observed 0c8c694eaefe4eb6dde1f7740dd29538...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:15.774801ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085469/manifest.json
observed 3b7d8c9831d9d05abda4018c24bdb77a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:15.755666ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085469/publication.md
observed 3cf4dc7468753c68e7565d9d0146ef9f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:15.737685ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085469/publication.txt
observed faa6fd22841c81d2748daea9ea2e4240...
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.