OpenTechnical

OT-2026-000016516

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, pulsed 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-2026-000016516) never changes.

Identity and time

Publication numberOT-2026-000016516 · never reused
Internal UUID01a0ae6e-2d13-72fb-8bfb-97218898cf38 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:11.237946Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016516
StatusPUBLIC

Content hashes

Canonical text384bd359774dc02d85706b9f0f6e89df259da5e177377fdfc22da755dfb326e6
Markdown9376bfbcb5f6cc98cfc51976bc05d0f1f5fc16fe5f4f0b68ac8502747e60e7a5
PDF
Publication pagee9f4a433891a328eec82ffc0beec2ff7e8813ec90ecd38eeac0bd0d62315fb3c
Manifest48c90364f9a8f27087e451102f7fef524923d7ad88b01eca7d2e5c07b0391a10

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
SignaturemMamnCpA21qANxuGD6vKdNO1xxnccBsxBzZ2nMXqUlsaAVNHUYBKUqz/regKteWy8wrCJZ4aj6hEaxiHj2T0Cg==
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

2026-09-17T12:04:43.844347ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016516
observed e9f4a433891a328eec82ffc0beec2ff7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:43.827439ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016516/manifest.json
observed 48c90364f9a8f27087e451102f7fef52...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:43.810250ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016516/publication.md
observed 9376bfbcb5f6cc98cfc51976bc05d0f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:43.791935ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016516/publication.txt
observed 384bd359774dc02d85706b9f0f6e89df...
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.