OpenTechnical

OT-2026-000008591

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, three stage ejector, vented after 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-2026-000008591) never changes.

Identity and time

Publication numberOT-2026-000008591 · never reused
Internal UUID01a0ae6a-e46b-71b4-8b7b-3436bdb90391 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:36.030441Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008591
StatusPUBLIC

Content hashes

Canonical text8b262754f5b885e67b59b6494bcfb19edae222038bdb5531f1558ca020750b2d
Markdown27924e3d0131cd055def1fbaeee43901ed2b4e7d046ce77029fc9e680df108a4
PDF
Publication page2e8758c5d099318ddc31573691c6789c5847ced34668ba6120f0f1378a671d07
Manifest0a4854bf90b511755459b8848758f0571df8fc76d3d3183d8ca167cd63b256cf

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
SignatureK+k/3zmrVybCKO8tJbXIJnpj8jZfV7EWJNxR7lX6rCacruKp2ixeHz3CEJ0KXgoWS3o1zXmRiW6V/a5ESmhlBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:18:32.417604ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008591
observed 2e8758c5d099318ddc31573691c6789c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:32.391634ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008591/manifest.json
observed 0a4854bf90b511755459b8848758f057...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:32.371479ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008591/publication.md
observed 27924e3d0131cd055def1fbaeee43901...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:32.352111ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008591/publication.txt
observed 8b262754f5b885e67b59b6494bcfb19e...
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.