OpenTechnical

OT-2026-000064516

Publication integrity record

Single bellows cup vacuum gripper, plant vacuum fed, supply line 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-2026-000064516) never changes.

Identity and time

Publication numberOT-2026-000064516 · never reused
Internal UUID01a0ae8d-a461-7304-a5ad-85d5d1d2296f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:33.392114Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064516
StatusPUBLIC

Content hashes

Canonical text6852af87e98866380ce578bb3d04ece7cd924868b494e21b83041028deff7fd7
Markdown3fe1ba39d8a045346ab22cf3ba5911c4409d4889db89e0f7e7abf86f6f8952f0
PDF
Publication page1dc551916c3db0cec241470847a1e99fd860c87321da0778850466b5a0df13ba
Manifest605d8518021af8c8d33c634b7dcd03b07dc90de352901ed826c91d3b1662779f

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
SignaturelXseyl+6g4qDK0nI7SwJUO9H5cpNO53a2P/Y3N3UQWRfKvEvyXARaanw14I+I4YyeI8bPXpGB1eezEHvHHn/AA==
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

2026-09-17T10:36:43.630166ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064516
observed 1dc551916c3db0cec241470847a1e99f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:43.612618ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064516/manifest.json
observed 605d8518021af8c8d33c634b7dcd03b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:43.593829ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064516/publication.md
observed 3fe1ba39d8a045346ab22cf3ba5911c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:43.575127ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064516/publication.txt
observed 6852af87e98866380ce578bb3d04ece7...
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.