OpenTechnical

OT-2026-000042242

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, two stage ejector, 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-2026-000042242) never changes.

Identity and time

Publication numberOT-2026-000042242 · never reused
Internal UUID01a0ae7a-5d72-7bec-939b-c7b232c73fb1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:30.052779Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042242
StatusPUBLIC

Content hashes

Canonical text1835408084b1e02a954af9801603aaff03867a756d4b04804960e563c5d01f7c
Markdownaffcb856ef7de19307df33cdd87ba8e91ee83ccaddb2b0ebac796fafcb0bb1a5
PDF
Publication page9576646654b659dd41bf09103d813adc5a0cc081085ebb1d72dcdb07ecaf5dc6
Manifestce8a41622ce66bbc355cb6a4856cd97713cbdcecec36cf68b0ab6207ccab2db0

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
SignaturesJxFHMoRbqfWCQGz/mNJXFrptq7tlWRwB/421QUlSErCM5wtDSug/PbROSr32u+ri9PwJ4qsZu7whyVSlxE/DQ==
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

2026-09-17T11:15:55.367020ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042242
observed 9576646654b659dd41bf09103d813adc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:55.348089ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042242/manifest.json
observed ce8a41622ce66bbc355cb6a4856cd977...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:55.330869ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042242/publication.md
observed affcb856ef7de19307df33cdd87ba8e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:55.311232ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042242/publication.txt
observed 1835408084b1e02a954af9801603aaff...
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.