OpenTechnical

OT-2026-000083666

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, plant vacuum fed, manifold pressure sensor, vented after 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-2026-000083666) never changes.

Identity and time

Publication numberOT-2026-000083666 · never reused
Internal UUID01a0ae98-0416-7e68-b647-863acf96a3cd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:53.320528Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083666
StatusPUBLIC

Content hashes

Canonical text8788a1b224997ffe3e6bc8dd473b4f9c78213f1e8f51f5fb3e3e762200b6b324
Markdownddc9988bbccce5b3d3b0014f80f35a362c6f9ba3f218669f001d0c544f80fcd3
PDF
Publication pagefdd643e797bc393ccc4f23c9dadf150ac35b1cc1aa52fdea02eac759964239ef
Manifest8e3c855852632d678c3ef5ad9bddb1388e5b888d638c096e558416da03a8f7a7

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
Signaturezc2eNin8QpRnaS2TbAijOcFLfZGf9xo6+nzK5KnC3FppHIrgHwAV5nj191gjPuhfsZAK2HhuReBmlOMGf5/yAQ==
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

2026-09-17T09:57:17.276472ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083666
observed fdd643e797bc393ccc4f23c9dadf150a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:17.259492ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083666/manifest.json
observed 8e3c855852632d678c3ef5ad9bddb138...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:17.241053ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083666/publication.md
observed ddc9988bbccce5b3d3b0014f80f35a36...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:17.224879ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083666/publication.txt
observed 8788a1b224997ffe3e6bc8dd473b4f9c...
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.