OpenTechnical

OT-2026-000019131

Publication integrity record

Foam pad vacuum gripper, two zone face, single stage ejector, 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-2026-000019131) never changes.

Identity and time

Publication numberOT-2026-000019131 · never reused
Internal UUID01a0ae6e-f391-735c-823c-f6dffdeb8d58 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:02.050431Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019131
StatusPUBLIC

Content hashes

Canonical text072df219328465256859a9ac27ca5633191766818eacc4df23819927665cdcf7
Markdown030a8b8c0cb5161b85e7abb8232206f6bfd3a3a920bbd6dd5ddbf95a01fa79f2
PDF
Publication page0e3a37c346b2cf88f98055c1692e95e2c58f616a69c7ddad9f717f67b9bb038e
Manifestc517d015d91c82bc0a0802c480260c50e5c0a5825733dcdbe4da2138e133273a

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
SignatureeKw7zdAJ5+Y5hWXmGFQkkmTjF27D1S14whuO2GScN8eX7pL1Z8q2Q8Uunow9EtpGcn7hcMlbPCZNtJiPiN3BCw==
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

2026-09-17T11:58:26.388284ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019131
observed 0e3a37c346b2cf88f98055c1692e95e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:26.370834ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019131/manifest.json
observed c517d015d91c82bc0a0802c480260c50...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:26.351946ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019131/publication.md
observed 030a8b8c0cb5161b85e7abb8232206f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:26.334431ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019131/publication.txt
observed 072df219328465256859a9ac27ca5633...
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.