OpenTechnical

OT-2026-000041780

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, plant vacuum fed, pulsed blow-off after set-down

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-2026-000041780) never changes.

Identity and time

Publication numberOT-2026-000041780 · never reused
Internal UUID01a0ae79-e8a3-75aa-937d-394cd14fdb9d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:00.220789Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041780
StatusPUBLIC

Content hashes

Canonical text03624d45e1532d959222ca864ac45716be604872d4a2792d5f4773cab324a02a
Markdown5b902f5fe7e3b088d169707da7f8ac99b691d489e534925ab43ed87c027f43f9
PDF
Publication pagee1beb312cd911025f35640ec4ebf3b54767d3f3479e5c7c03e6f766bf2d542f1
Manifest2ae530597f4e2b8096f41d132a3f59c95420e1818a54d06328bd91ab831edb36

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
SignatureG5aEbSTRObCZWG+2PRWB+z1Pdu5ng1C/RNjiqPw1k8FpvwaA4MTY9gUJWE2e9W5620MiDftCYw1m/itSOp7eBA==
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

2026-09-17T11:16:37.893425ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041780
observed e1beb312cd911025f35640ec4ebf3b54...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:37.876631ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041780/manifest.json
observed 2ae530597f4e2b8096f41d132a3f59c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:37.857566ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041780/publication.md
observed 5b902f5fe7e3b088d169707da7f8ac99...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:37.839193ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041780/publication.txt
observed 03624d45e1532d959222ca864ac45716...
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.