OpenTechnical

OT-2026-000004360

Publication integrity record

Vacuum cup gripper, four zone face, six outlet manifold, pump fed, vented after 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-2026-000004360) never changes.

Identity and time

Publication numberOT-2026-000004360 · never reused
Internal UUID01a0a915-240c-7aeb-8fa2-b96da4e2d9bd · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:18:50.127917Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000004360
StatusPUBLIC

Content hashes

Canonical text6a5deae06af4d3071b000a78451c8aacf1bc06cd62f3a1b2f48f4a27462bcd62
Markdown6d48fdaf27e2276125efaf8b2dc7fc6d6b518630a2b74d5ef8a0813e7ec7ac1e
PDF
Publication page5a7982c4e6f94aeda9eb3b66bc36ba6abb9542e6a655479727eb3b56f6623e5e
Manifest78e8809e330bf9c45e10f68df51e5a3f5f019a1654045a89d2b1b28a6a99edcd

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
Signature8XyNtzJZAeGm4dQSqC7NPhjph0Ao4xClUIAsX/ClJxat+3p20g7WdS5TjYyNdpia+4VoEfZCdxmb1T7v+LnOAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T07:27:02Z
batch OT-TS-2026-W38-009 · RFC 3161 token · inclusion proof
root aada101caea153fd76622afa3661a5b8...

Independent retrieval

2026-09-16T07:20:06.704827ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004360
observed 5a7982c4e6f94aeda9eb3b66bc36ba6a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:20:06.691937ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004360/manifest.json
observed 78e8809e330bf9c45e10f68df51e5a3f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:20:06.676184ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004360/publication.md
observed 6d48fdaf27e2276125efaf8b2dc7fc6d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:20:06.661806ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004360/publication.txt
observed 6a5deae06af4d3071b000a78451c8aac...
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.