OpenTechnical

OT-2026-000042426

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, pump fed, sustained 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-2026-000042426) never changes.

Identity and time

Publication numberOT-2026-000042426 · never reused
Internal UUID01a0ae7a-5d75-7395-a15b-0c2e013cf07d · 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-2026-000042426
StatusPUBLIC

Content hashes

Canonical textcd50566249ce8f4a26580c19a614358ce5e9e44042f9b32c9f85720a1d0a7b20
Markdown79a48e6909a7ae5757c792c52fb06a33fca205131123d9a0fa95775e6f60be46
PDF
Publication page1a8ed60b0f72a81c6cfddcb432e1868d8375f008eb28493b936d134b2a777a5e
Manifestc5385cfdf1ecf3ee054679107b69b21b01d348b711f982ef1f8b1f261bf831a9

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
SignatureO31aqjuWBMwcw7dkNRTi6X4G5kw2p2uwebrmrB4Te8vZtBpQI6Ggh4PXTLeZH/1NUA04OcjVoyVzEwWTHgW/Dw==
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

2026-09-17T11:16:13.575107ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042426
observed 1a8ed60b0f72a81c6cfddcb432e1868d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:13.558976ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042426/manifest.json
observed c5385cfdf1ecf3ee054679107b69b21b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:13.543556ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042426/publication.md
observed 79a48e6909a7ae5757c792c52fb06a33...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:13.526804ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042426/publication.txt
observed cd50566249ce8f4a26580c19a614358c...
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.