OpenTechnical

OT-2026-000071806

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, pump fed, vented 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-2026-000071806) never changes.

Identity and time

Publication numberOT-2026-000071806 · never reused
Internal UUID01a0ae92-1e92-7f88-b392-5cb58ca724de · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:26.841552Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071806
StatusPUBLIC

Content hashes

Canonical text317323c8622ce17b37714cef84b602eccfc7350b966fe7f5c16fd4e024d6a643
Markdownd38979ea54f419d68bd6810468fcdabeeb3cc90d31a18c84a66dd7bbc5f5fcb5
PDF
Publication pageb5c437549adceaaa876bf5858b337a1d1b62e59d709bcf97efd372fed6b1cf91
Manifestf7f058870729916d4768f7f433b8063530d094da07b46d83f362207d2ae2a326

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
SignaturedK+yUnE0lPzhLHR6CGEpRLnzvbs5nVhWgcQIOoJmMUW3WFYKadONSzMZbsq8XFPrsXRIQNXnzpIhLhYSPe1ZDA==
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

2026-09-17T10:23:58.738001ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071806
observed b5c437549adceaaa876bf5858b337a1d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:58.718047ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071806/manifest.json
observed f7f058870729916d4768f7f433b80635...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:58.699101ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071806/publication.md
observed d38979ea54f419d68bd6810468fcdabe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:58.681825ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071806/publication.txt
observed 317323c8622ce17b37714cef84b602ec...
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.