OpenTechnical

OT-2026-000032296

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, pump fed, supply line pressure sensor, 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-2026-000032296) never changes.

Identity and time

Publication numberOT-2026-000032296 · never reused
Internal UUID01a0ae75-106d-7017-966f-7a2a1862adc1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:42.658092Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032296
StatusPUBLIC

Content hashes

Canonical textefae3b02cb5c564a27e9a29299a730f7b255ebb9a5b63e1efad66e1d57285187
Markdown9d6bc2725a1a60faf652fa2e35773032306ef766fd968b9b476b3938362e9d93
PDF
Publication page4315a49c0c6748f36e10dc3e988c356ed414c946f0813058c01b4b7dac2b3f10
Manifestb32b1841e599def8f8a5cdeb485a6376ecff015d6ec83aa7417679824dbfabf8

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
SignaturemH+O/3pslqGdvtBD7l4UerZ6f+IRyVh2EK1j1b7LBjf/6icTswZ58HT8pIxDHfkgHN+NKCQjs6v7bPFEnmuwDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:33:07.471409ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032296
observed 4315a49c0c6748f36e10dc3e988c356e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:33:07.454391ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032296/manifest.json
observed b32b1841e599def8f8a5cdeb485a6376...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:33:07.434284ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032296/publication.md
observed 9d6bc2725a1a60faf652fa2e35773032...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:33:07.414940ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032296/publication.txt
observed efae3b02cb5c564a27e9a29299a730f7...
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.