OpenTechnical

OT-2026-000019064

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, single stage ejector, manifold pressure sensor, pulsed blow-off before 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-2026-000019064) never changes.

Identity and time

Publication numberOT-2026-000019064 · never reused
Internal UUID01a0ae6e-d523-7903-870a-47448edf0b94 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:54.261386Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019064
StatusPUBLIC

Content hashes

Canonical text310dd1191a00cb2377893b55a3f1bce221ab2eac8e84b8875964d2d964c90609
Markdown37cc36c1bce256b5f8d33c4dd6c4c5e8de56b6e264d6e9e6233e71ca2ca8caf5
PDF
Publication pagedea9b842d6775235c7116d0815c5f5da6dd39203e3a4b52ef132677b3ff76e8d
Manifeste24abbcb776dc51c5ee3b49f7ea8095e85d79296910c88da91b2def496da5d67

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
SignatureplDjlLzFDijmhJCkR2Ywjmd5fa15rwONBN56kOXMoFW1MFgoxgKoBlX/u6VgslxefCmDn2urBZG/sDpydd6uDQ==
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

2026-09-17T11:59:45.791220ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019064
observed dea9b842d6775235c7116d0815c5f5da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:45.771754ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019064/manifest.json
observed e24abbcb776dc51c5ee3b49f7ea8095e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:45.753121ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019064/publication.md
observed 37cc36c1bce256b5f8d33c4dd6c4c5e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:45.732925ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019064/publication.txt
observed 310dd1191a00cb2377893b55a3f1bce2...
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.