OpenTechnical

OT-2026-000085538

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, pump 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-2026-000085538) never changes.

Identity and time

Publication numberOT-2026-000085538 · never reused
Internal UUID01a0ae99-aaac-7b41-a1b1-dfed4bbb9905 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:41.564662Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085538
StatusPUBLIC

Content hashes

Canonical textacbf252549e06653e358f49459b72da7cba6ba9ea9733475da08de01fd617661
Markdown2838d8e8304659e3d0c654cf5b365a679969a71b75075d0148a8a2f25b4ed65e
PDF
Publication pageb3df41bb3e065ae4405c9e7ebfc6b8d9690ec3f4bf8f20b9d56e7de33dd01003
Manifestff2080ffbd2b95e43250d510f559498475c5c2953bd9bf372481a05a11b817cc

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
Signaturea2OBPKWm9mCt+IhKuNVlER12Uy7QMtYuvFbg01MruFYN9ZKj3sp0FMzMYgrawKsEJ5z0+GOpkd/GXXgSdVLKBQ==
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

2026-09-17T09:54:21.342590ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085538
observed b3df41bb3e065ae4405c9e7ebfc6b8d9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:21.325549ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085538/manifest.json
observed ff2080ffbd2b95e43250d510f5594984...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:21.309420ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085538/publication.md
observed 2838d8e8304659e3d0c654cf5b365a67...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:21.291320ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085538/publication.txt
observed acbf252549e06653e358f49459b72da7...
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.