OpenTechnical

OT-2026-000047189

Publication integrity record

Two cup vacuum gripper, two outlet manifold, plant vacuum 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-2026-000047189) never changes.

Identity and time

Publication numberOT-2026-000047189 · never reused
Internal UUID01a0ae7e-d0f9-7add-8de0-6e5ae3bd08e0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:32:21.770727Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047189
StatusPUBLIC

Content hashes

Canonical textd87f1b1b455b313861893113c1ccfc575b3dba77ab24ab6bbd06233a810fb4b2
Markdown3881351cc2975eedb2a59a0be105aecaea638c82ae621516b54242954b3f0c90
PDF
Publication pagedbe83f32a865aff31cd58f2934957a6e8e750456f862ef90cf92044a8b505213
Manifestb920c426338a70f4ab6a89ecfa5931e6e0cc20cf4dbaa70c8eb43036bc6030fe

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
SignaturepBeH8a7HpQ57Z1sY5dRMHd7PDSa77AoYUfgY6M+zPUozqktQYbGl9k9aT/rOpis0xtGBcrG6gi2r70uIUxJ+BQ==
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

2026-09-17T11:10:33.904875ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047189
observed dbe83f32a865aff31cd58f2934957a6e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:33.886733ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047189/manifest.json
observed b920c426338a70f4ab6a89ecfa5931e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:33.865258ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047189/publication.md
observed 3881351cc2975eedb2a59a0be105aeca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:33.844622ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047189/publication.txt
observed d87f1b1b455b313861893113c1ccfc57...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:00.867789ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047189
observed dbe83f32a865aff31cd58f2934957a6e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:00.847486ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047189/manifest.json
observed b920c426338a70f4ab6a89ecfa5931e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:00.829312ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047189/publication.md
observed 3881351cc2975eedb2a59a0be105aeca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:00.810620ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047189/publication.txt
observed d87f1b1b455b313861893113c1ccfc57...
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.