OpenTechnical

OT-2026-000086472

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, two 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-2026-000086472) never changes.

Identity and time

Publication numberOT-2026-000086472 · never reused
Internal UUID01a0ae9a-2c97-71ee-853c-0926009619fe · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:14.823225Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086472
StatusPUBLIC

Content hashes

Canonical textb7c1cb172840df5e486554bd6962ee537222c6c8a9506dd1de429846ed02b13a
Markdown88400c3e70112864d4c58ed0911f8fa0cc960d4193b7598a24ae22a68fbe30ad
PDF
Publication page9b6fe9cc49d08ed4a1e61ea6d9a90d17ac968121ff63658c9d7af41bb977ebea
Manifest92fb23223bebb7ab0e8939029e74e86597efbb839670e6cd02254c63440ad136

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
SignatureLykf6S8FBhlerpW4pTw8ky+zFuDk1j0Cymx3lu2zhfdagpR04litSClmVz3g2802ArE4pPc227kELG4llxqUAg==
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

2026-09-17T09:52:16.795317ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086472
observed 9b6fe9cc49d08ed4a1e61ea6d9a90d17...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:16.778259ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086472/manifest.json
observed 92fb23223bebb7ab0e8939029e74e865...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:16.759682ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086472/publication.md
observed 88400c3e70112864d4c58ed0911f8fa0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:16.742273ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086472/publication.txt
observed b7c1cb172840df5e486554bd6962ee53...
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.