OpenTechnical

OT-2026-000046075

Publication integrity record

Foam pad vacuum gripper, four zone face, plant vacuum fed, pressure sensor per zone, pulsed 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-2026-000046075) never changes.

Identity and time

Publication numberOT-2026-000046075 · never reused
Internal UUID01a0ae7e-032a-77a1-af19-d2310626ba06 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:31:29.080672Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000046075
StatusPUBLIC

Content hashes

Canonical text7bd288cedf196a13946a9d5ce430cdfff01d2236379d622da2f39dcd4d0b72b7
Markdownda6bf03984bc0a9f48a8e32130c2ed00b5c07c352f312e27728b189f4bb8b395
PDF
Publication paged0ad9c021d6f4d1737cd2eb96c5d01335152075aff4310cdfa6447c2715b2109
Manifesteb0c32bb03cc5ea3800248e09f13608baabdca3f6bd30b506f12234fd2845e60

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
Signatureoi/0pJxWe7NsTVm/wlth0Jx094ygVG8p7oBf7Zt3Kkgn0xbPFSTZmuMFNJnEI/s8wXI62I5cMP5mXlDFbjnxCA==
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

2026-09-17T11:09:02.500823ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046075
observed d0ad9c021d6f4d1737cd2eb96c5d0133...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:02.481851ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046075/manifest.json
observed eb0c32bb03cc5ea3800248e09f13608b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:02.461845ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046075/publication.md
observed da6bf03984bc0a9f48a8e32130c2ed00...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:02.440904ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046075/publication.txt
observed 7bd288cedf196a13946a9d5ce430cdff...
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.