OpenTechnical

OT-2026-000042637

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, single 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-2026-000042637) never changes.

Identity and time

Publication numberOT-2026-000042637 · never reused
Internal UUID01a0ae7a-c0ce-71b2-817d-8aa72b9b2eb2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:55.489038Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042637
StatusPUBLIC

Content hashes

Canonical textc11c4e4c9ce4709e9aa043453618fa0c5735ac6d7ed82b14a8851430b0d90482
Markdownee74d100f3d206a82b6a919bbadbd15e4c5b087b2a9f415094f6df04c4d216fb
PDF
Publication page7a6c86cb760ba43eb6561f8365be42ac96669358c50ab26a23ffc27c6f585dce
Manifestb4f5cf51c8ea3571a19ec8563429744476df4224d60d3fd9e03ff9de4073a175

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
SignatureS1XO5/b1S2gFyduIl5QwO/u4gbpP2S0SZ1OSX43rtdluvteVxJGpNIFELR46nZiBvDEk3pQgqJr2YBfMLZptAg==
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

2026-09-17T11:14:22.393754ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042637
observed 7a6c86cb760ba43eb6561f8365be42ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:14:22.374293ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042637/manifest.json
observed b4f5cf51c8ea3571a19ec85634297444...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:14:22.356055ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042637/publication.md
observed ee74d100f3d206a82b6a919bbadbd15e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:14:22.338332ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042637/publication.txt
observed c11c4e4c9ce4709e9aa043453618fa0c...
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.