OpenTechnical

OT-2026-000069354

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, pump fed, 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-2026-000069354) never changes.

Identity and time

Publication numberOT-2026-000069354 · never reused
Internal UUID01a0ae90-b529-7f2e-bc04-c32ef94d114c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:54.310022Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069354
StatusPUBLIC

Content hashes

Canonical text1ab865ec1fc60aee3f4a012876b9dfc0030399367f74e68d61facab42aa5a32c
Markdown00260900283f66a992ed5beef6e893c7ea32056e7bb4135418ee98b0360ca9e0
PDF
Publication page1bddfc8a048de0ee9d9c8f28b1468539fc287af122c13cc73f7e5ba1660b33c6
Manifeste376517a6a2cd93048b35bb55577ab097d3a7969bacf353354d31c0d521d119a

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
SignatureDx0Wv/7Z5GLok0pN6a4h1X1VM942uZ0ZH4I+8KaglLWyLbW6rnXi5FXj5Ff7sFFNQVISq3dbv5AVWZMu+CKnCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:30:15.809090ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069354
observed 1bddfc8a048de0ee9d9c8f28b1468539...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:15.790759ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069354/manifest.json
observed e376517a6a2cd93048b35bb55577ab09...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:15.766440ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069354/publication.md
observed 00260900283f66a992ed5beef6e893c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:15.740902ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069354/publication.txt
observed 1ab865ec1fc60aee3f4a012876b9dfc0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:56.717405ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069354
observed 1bddfc8a048de0ee9d9c8f28b1468539...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:56.699648ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069354/manifest.json
observed e376517a6a2cd93048b35bb55577ab09...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:56.682698ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069354/publication.md
observed 00260900283f66a992ed5beef6e893c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:56.663782ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069354/publication.txt
observed 1ab865ec1fc60aee3f4a012876b9dfc0...
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.