OpenTechnical

OT-2026-000047357

Publication integrity record

Four cup vacuum gripper, four outlet manifold, single stage ejector, manifold pressure sensor, sustained blow-off 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-2026-000047357) never changes.

Identity and time

Publication numberOT-2026-000047357 · never reused
Internal UUID01a0ae7f-3e57-7efa-878c-14d45e8a92e2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:32:49.774666Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047357
StatusPUBLIC

Content hashes

Canonical text9a4dfe5ba4099ad560f346652961b7671ba375a04afac7c5e0d5d6def69e5b7c
Markdown654c00a1688e1b019900c66815c2d8e0d31f8f2fe67207b6314840fc6f6fe3a8
PDF
Publication page3319182321e336ee84986bddcca70777ac450b776a328fecd738e077ebd56284
Manifestc75b7d24f857647bf9f9a668366324dd74c4dc8695ffce12432109adc6f3ae36

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
Signaturefc0sUdkFfpKf0J0JgSLN59TWrQKhVHC6q6YWjKfOt6fSFEp7L81NfqvB/q000klqVWlIlt8FHjJo4w0KmNBIAQ==
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

2026-09-17T11:06:21.246039ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047357
observed 3319182321e336ee84986bddcca70777...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:21.225893ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047357/manifest.json
observed c75b7d24f857647bf9f9a668366324dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:21.204210ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047357/publication.md
observed 654c00a1688e1b019900c66815c2d8e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:21.185169ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047357/publication.txt
observed 9a4dfe5ba4099ad560f346652961b767...
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.