OpenTechnical

OT-2026-000014729

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, 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-2026-000014729) never changes.

Identity and time

Publication numberOT-2026-000014729 · never reused
Internal UUID01a0ae6d-d093-74df-b31b-7f8f7a516952 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:47.560717Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014729
StatusPUBLIC

Content hashes

Canonical textd37175624a8831946c81a04fa5ff4a2a5ab45697014fa2761c7d4224976aad66
Markdown8aeebbe0c25d3cfe7b6bca890d8b1339e642c07d07b608004e8a4ccf09149c35
PDF
Publication page1fa8ef84a5d75b41c7f56e77e95843804178af449769692fdbb565a6b0c36d48
Manifest6b2e8bf620b925190875f5fa3199004f7904ba8bbf5aac9a7713a10243a9724f

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
Signatureu19Dg9JJ2oMaszf7jmRgnKm32hzq3am6/wef1XTMOhEn0icUHbj1lIRhiMqSk+3FE/CwL+dIdRQd5YYm06J4Dg==
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

2026-09-17T12:06:36.110911ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014729
observed 1fa8ef84a5d75b41c7f56e77e9584380...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:36.089428ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014729/manifest.json
observed 6b2e8bf620b925190875f5fa3199004f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:36.068154ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014729/publication.md
observed 8aeebbe0c25d3cfe7b6bca890d8b1339...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:36.047537ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014729/publication.txt
observed d37175624a8831946c81a04fa5ff4a2a...
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.