OpenTechnical

OT-2026-000087065

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, plant vacuum fed, sustained 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-2026-000087065) never changes.

Identity and time

Publication numberOT-2026-000087065 · never reused
Internal UUID01a0ae9a-9f2d-7264-bdc7-be4c1e5c3681 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:44.027043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087065
StatusPUBLIC

Content hashes

Canonical textb02a336dcef6218f401bc3050c430f17d9e260f878ae64eab415142b04d11858
Markdownee4f787f523b821a10dc19406a6780615762b3a76652c48f7f66a031a7a1bfc7
PDF
Publication page4ea5b45022e0452f88bc89992d56bcfc257ecef15cb8cfeecb39ba720f75a0bc
Manifest370bb6d4739237788c436f069e78d56f54ebbf36b68b43e751492bda530552c1

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
Signature1xClbFo5R8pbNryq3rySESCyhCR8UVrwNO7K1p270+BFVEPkmncf9dL1SIwSIIx0Kmy5JpWEPKutMn6YQvCqBw==
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

2026-09-17T09:51:19.075930ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087065
observed 4ea5b45022e0452f88bc89992d56bcfc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:19.059910ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087065/manifest.json
observed 370bb6d4739237788c436f069e78d56f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:19.041985ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087065/publication.md
observed ee4f787f523b821a10dc19406a678061...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:19.025463ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087065/publication.txt
observed b02a336dcef6218f401bc3050c430f17...
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.