OpenTechnical

OT-2026-000045216

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, plant vacuum fed, pulsed 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-2026-000045216) never changes.

Identity and time

Publication numberOT-2026-000045216 · never reused
Internal UUID01a0ae7c-f769-7f17-a0a9-d5ba5a0a4479 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:20.545172Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045216
StatusPUBLIC

Content hashes

Canonical texte822a5672ac3a12ee70c45638845b67f24554b396032a88df9a959727ecf493b
Markdown8daf1bad4d04966d6014905387d918ccc3d995a38ae36e842e83d75e70b68c1e
PDF
Publication pageaec71cd6ba82873cd7c0a54fb696b8a62fa50fe672ccc74bcb8c076373187434
Manifest51ea324e704d879829d1709481b56519d40ea2ed9529cf24f707ff93c7dfa995

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
Signature90H1ChVRLcTxzRRm4G3jiJ0VDFw7xNQ76uN26MwqW79wUlyXHSAGau15I4cdO3z6x0DHQMRBa68i90U+oNuzBA==
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

2026-09-17T11:10:24.416718ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045216
observed aec71cd6ba82873cd7c0a54fb696b8a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:24.395597ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045216/manifest.json
observed 51ea324e704d879829d1709481b56519...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:24.351156ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045216/publication.md
observed 8daf1bad4d04966d6014905387d918cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:24.305685ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045216/publication.txt
observed e822a5672ac3a12ee70c45638845b67f...
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.