OpenTechnical

OT-2026-000041481

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, two stage ejector, sustained blow-off after 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-2026-000041481) never changes.

Identity and time

Publication numberOT-2026-000041481 · never reused
Internal UUID01a0ae79-b145-7d1b-860d-1483dea3c2f4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:45.980839Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041481
StatusPUBLIC

Content hashes

Canonical textd471321bc841dd092f65e1a4a4e4c5b0fcf123c2b95069f5904d50866b358858
Markdownc871e920e2ea40c50298ff3ed8258a7f8692c83866eccfa633edab1a63e6531d
PDF
Publication page36adbbab0cbc6ccec92b8c5a814308eb141a5faaf45209526fbb2488b927fd27
Manifest7cbeb9ce699758ec097fb2022c45926cca6f1f2831eb19520a497bd13ef81e76

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
Signaturesd6EHVu2TIGLpTvm7biDsoaf0kHkV//yvIi+S4p2g1csx9fGvkDgo1687CpJr5Pq2a81h8tiN6LCr6DRPn9oCw==
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

2026-09-17T11:17:30.804035ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041481
observed 36adbbab0cbc6ccec92b8c5a814308eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:30.785613ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041481/manifest.json
observed 7cbeb9ce699758ec097fb2022c45926c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:30.767555ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041481/publication.md
observed c871e920e2ea40c50298ff3ed8258a7f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:30.748414ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041481/publication.txt
observed d471321bc841dd092f65e1a4a4e4c5b0...
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.