OpenTechnical

OT-2026-000045798

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, pump fed, manifold pressure sensor, sustained 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-2026-000045798) never changes.

Identity and time

Publication numberOT-2026-000045798 · never reused
Internal UUID01a0ae7d-8f05-75e6-9e05-f3c8ac93e7d6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:59.492045Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045798
StatusPUBLIC

Content hashes

Canonical text4a0e73330c8d324f6350f671e6946000b5001d8830e11be3da7a8df30e202386
Markdowne54688228152f852c7d85d55276c354eeb4123a2498400f7b0f9c4e7e2649ec1
PDF
Publication pagef5e1f761eeacedf8336d01f91cdcc4c1e110401e25da6a5328d790e77e16c56f
Manifestd870181eccb34349b159e173c382377c10b58140540516d9d0ea3479f77d70fb

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
SignaturegL50RKo2xNT7F9i4Wo5ZjF6oGkPJXT3A5Yj/DNHRwup623y6l59f88V5g2+baMW8hMTUmFPZn2YJTsyUoeaFBg==
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

2026-09-17T11:09:39.853823ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045798
observed f5e1f761eeacedf8336d01f91cdcc4c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:39.835294ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045798/manifest.json
observed d870181eccb34349b159e173c382377c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:39.817511ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045798/publication.md
observed e54688228152f852c7d85d55276c354e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:39.799358ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045798/publication.txt
observed 4a0e73330c8d324f6350f671e6946000...
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.