OpenTechnical

OT-2026-000082073

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, plant vacuum fed, sustained blow-off before 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-2026-000082073) never changes.

Identity and time

Publication numberOT-2026-000082073 · never reused
Internal UUID01a0ae97-4d93-70e8-9786-01658d5e5375 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:06.536388Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000082073
StatusPUBLIC

Content hashes

Canonical textf0a862ec80d2f08210f76b684a50ad2ac3cfb24ba8e01add684524fc0d2cff52
Markdowna013af18ec759e24b7b1731af661b16a51b1a0f17784cf54069bcbf0bb47a2d9
PDF
Publication paged40c9dcc268bdea6e49c8072c70dd25832354cf179556c7e35bce58171d42f1d
Manifestbadcc45c705708853a9d30af565b26ec98422729ccfff46de2ab3f6fe7696aa9

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
SignatureA/dfjjP//2l1+j3B7u0p67HzlT2xrLrMcs7MAxaQWRpN+cW80ht2bYKSsXFBHIpSpZdJUtWSOtVLIjEQZUZ8BQ==
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

2026-09-17T09:58:52.534568ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082073
observed d40c9dcc268bdea6e49c8072c70dd258...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:52.517523ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082073/manifest.json
observed badcc45c705708853a9d30af565b26ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:52.500905ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082073/publication.md
observed a013af18ec759e24b7b1731af661b16a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:52.483796ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082073/publication.txt
observed f0a862ec80d2f08210f76b684a50ad2a...
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.