OpenTechnical

OT-2026-000027685

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, supply line pressure sensor, sustained 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-2026-000027685) never changes.

Identity and time

Publication numberOT-2026-000027685 · never reused
Internal UUID01a0ae72-699a-73fc-948f-d858efbbf6f3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:48.928538Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027685
StatusPUBLIC

Content hashes

Canonical textb6565721e0f0d306f0dbf5de4b7f01ae7ef1c9b4841e205eeb68a21c40b62bbe
Markdown751e1f067986667c11751dffe1956d37a305028788baf5f50aadebb84f7b5b41
PDF
Publication page921bbb25e080276fbe78b74b0f7688accfeceb0f1f1b3c200f45f0a7ea47c0a3
Manifestcab52f546c46d4d8574be4066f3a68785c0fbb9c06b02aa8a25772b493308733

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
SignaturerwU7r3smsBqRmRmVhEGwZQvLRHI/RBr3znePqvXASocbxtFOzqU+sMeKmG4EQEsNcC5AB0FWqwQSKRDTzbSaCw==
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

2026-09-17T11:43:13.511125ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027685
observed 921bbb25e080276fbe78b74b0f7688ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:13.494700ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027685/manifest.json
observed cab52f546c46d4d8574be4066f3a6878...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:13.476722ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027685/publication.md
observed 751e1f067986667c11751dffe1956d37...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:13.453130ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027685/publication.txt
observed b6565721e0f0d306f0dbf5de4b7f01ae...
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.