OpenTechnical

OT-2026-000045522

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, plant vacuum fed, manifold pressure sensor, sustained blow-off after 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-2026-000045522) never changes.

Identity and time

Publication numberOT-2026-000045522 · never reused
Internal UUID01a0ae7d-8f01-72dc-8154-faa6301d3bed · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:59.492045Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045522
StatusPUBLIC

Content hashes

Canonical textad8efd9f53957fa7f4dfc9542844e50523b86d3533a9937a42ce327ebc464dd8
Markdown76f1b8262d2983d0073bdeceeeee2e5fdfc654aaad714e40e48a6b16f2a6fab1
PDF
Publication page75a0b9a8be9c355dcda762ff034852c7a38a2aaaa955419defb7c2c4ea0c608d
Manifestf4114297f6a62fee5ef05ec8b129612634596d2f676cb6cad5a0922e8e190ed1

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
Signatureg8QJf0ByZeSpUopx63DVYST7mx0fYUo9S+75O4APxgBdYoBpmPwWc2BSwBF4eyEOVV7MWKFf2z5UiM2ugWOpCA==
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

2026-09-17T11:09:15.931298ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045522
observed 75a0b9a8be9c355dcda762ff034852c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:15.913842ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045522/manifest.json
observed f4114297f6a62fee5ef05ec8b1296126...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:15.895919ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045522/publication.md
observed 76f1b8262d2983d0073bdeceeeee2e5f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:15.879074ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045522/publication.txt
observed ad8efd9f53957fa7f4dfc9542844e505...
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.