OpenTechnical

OT-2026-000080112

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, plant vacuum fed, supply line 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-2026-000080112) never changes.

Identity and time

Publication numberOT-2026-000080112 · never reused
Internal UUID01a0ae96-4378-72d9-8d72-ddbb9984fe5f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:58.480954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080112
StatusPUBLIC

Content hashes

Canonical textd135456fced9be7b2d5fdd57b257a9e45dea42a8012d2f70374ae2a889fce025
Markdowndd794a6e49e6a4afc40337055b507c0a9bcc02e0e6f1facc729fbf451f52aa15
PDF
Publication page596f51ff559bedb1c5a88c1d103868b1e8f11ba19033d975a79e213251a39412
Manifest19c487e913d1512e91103329a7aac1f11bd93ae697650147f4f0cb1448f2a1af

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
SignatureidCsyMcBWmk3JjNKv2nM3EFkpHeYIQpms1suwkZ1O+CctVdsYm8hIpvHbSH9KqUkUmrqwynmo9Et84hTiatzDA==
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

2026-09-17T10:04:03.325210ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080112
observed 596f51ff559bedb1c5a88c1d103868b1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:03.306913ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080112/manifest.json
observed 19c487e913d1512e91103329a7aac1f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:03.289616ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080112/publication.md
observed dd794a6e49e6a4afc40337055b507c0a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:03.271183ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080112/publication.txt
observed d135456fced9be7b2d5fdd57b257a9e4...
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.