OpenTechnical

OT-2026-000038716

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, pump fed, supply line pressure sensor, sustained blow-off before 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-2026-000038716) never changes.

Identity and time

Publication numberOT-2026-000038716 · never reused
Internal UUID01a0ae78-769e-75fd-9baf-f2684a91d3c4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:25.422407Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038716
StatusPUBLIC

Content hashes

Canonical text2044d8bced729f35da94a85fd28b6c368f892741c8bc2520465664a39825bec7
Markdown85606b9defbbf773db6c6d8a5be8b7756a1e738846d64958dd7a7217fbe4fa1f
PDF
Publication page4af710b93b5cb15036f498bf9029b47d8046b63bc0de712141f8e31a3410c17b
Manifest9bf3210bc0d12626ce5331d1701a5eb151a3587a7dffca4557af6fb6b4655db7

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
SignatureqAKVIyXdAwi27gkcFQq2m7Y09xBu+KlTCb9Lzm2vIbNAStbmXwoY0WRjPbIX3KdyE7x/6R/1zwMbMNWf4lmTCw==
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

2026-09-17T11:21:14.551094ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038716
observed 4af710b93b5cb15036f498bf9029b47d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:14.533026ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038716/manifest.json
observed 9bf3210bc0d12626ce5331d1701a5eb1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:14.516648ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038716/publication.md
observed 85606b9defbbf773db6c6d8a5be8b775...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:14.497947ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038716/publication.txt
observed 2044d8bced729f35da94a85fd28b6c36...
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.