OpenTechnical

OT-2026-000059820

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, single stage ejector, sustained blow-off 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-2026-000059820) never changes.

Identity and time

Publication numberOT-2026-000059820 · never reused
Internal UUID01a0ae89-ec25-7dd1-9484-6d3e941e6ecc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:29.732559Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000059820
StatusPUBLIC

Content hashes

Canonical text23e162bcb524957fae3e640626bc5ae7f650631d7009700a832b040e3e142003
Markdown80f10fae164f8747e8b91e907e9213c4fe05b0c9ecad37e8d98408dd80119c1c
PDF
Publication pagec176141c4464245fa4b643ed8c72c1424bd735446301d37ed99d3cd92338fadc
Manifest3178723126f35962cf86973738cf72f9b86c077230748bbfb26df240c82e2b33

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
SignatureKDbFu+MUVFYDP3Xm/MUe8E+EL/WQ6jfHKb77nlgwu6eytDWIPcwp7lGlCU1Yvnn3zxcWrhAtVVT+n9REikX8Bw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:44:33.748482ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059820
observed c176141c4464245fa4b643ed8c72c142...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:33.727696ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059820/manifest.json
observed 3178723126f35962cf86973738cf72f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:33.708809ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059820/publication.md
observed 80f10fae164f8747e8b91e907e9213c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:33.690969ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059820/publication.txt
observed 23e162bcb524957fae3e640626bc5ae7...
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.