OpenTechnical

OT-2026-000042423

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, pump fed, manifold pressure sensor, pulsed blow-off before 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-2026-000042423) never changes.

Identity and time

Publication numberOT-2026-000042423 · never reused
Internal UUID01a0ae7a-5d75-7189-9e77-18c56e15002e · 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-2026-000042423
StatusPUBLIC

Content hashes

Canonical text969e7f127cab79838c2fccdeff85a8d150a24fbe7aa4011121931f73b4193d1c
Markdownedd1acdfe5d01bd793dbf07cbd2f3f217c2c8e7efffd7e850fdfc7f6873668fa
PDF
Publication page84d3d1fbe94aead01f2f5101be7d723956fa2970a994e863aff15f8f684ce464
Manifest526a9ee548ccf569d326be960dcc8f3ea11d560b0625d3fa46f600130416d114

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
Signature9ylCB8h3xskaXTmgVkOkgD3Ksssq7tYguyU9Dgjh4JZ6BnZNqQB/b4cM4D43kbueQmQOWNAw6Om6Pe8V+pxABQ==
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

2026-09-17T11:16:13.369621ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042423
observed 84d3d1fbe94aead01f2f5101be7d7239...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:13.353446ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042423/manifest.json
observed 526a9ee548ccf569d326be960dcc8f3e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:13.336465ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042423/publication.md
observed edd1acdfe5d01bd793dbf07cbd2f3f21...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:13.317930ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042423/publication.txt
observed 969e7f127cab79838c2fccdeff85a8d1...
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.