OpenTechnical

OT-2026-000087283

Publication integrity record

Three cup vacuum gripper, three zone face, six outlet manifold, plant vacuum fed, sustained blow-off before 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-2026-000087283) never changes.

Identity and time

Publication numberOT-2026-000087283 · never reused
Internal UUID01a0ae9a-cd4e-7e18-bd76-f2ff2ceef6c4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:55.852518Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087283
StatusPUBLIC

Content hashes

Canonical textf7a89e3d602765f0fb6dd9a8fe44e4a43817e55a6e4222f4d3badc840112910d
Markdown31735885f8294b7e4587218accc1cb0b3bbf7c7b27551e67b8fa648758659baa
PDF
Publication page7b34118255b8a42e2a6e24fd5e4bf05fe87981529bc07b5abd4dbbd7c31750f9
Manifestf8f0d9b0b105f105b7ce2a85d951d5476b133cb443faf9d07a07624be48f9395

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
SignatureB0mQEt+Pu+eUMuBb+uFIkgjxXwVDsAp5WPX8eptoCO+/M5uyjDWwWoBU1PxfOc7by/VJGtcqDpS8iQXnwY7vCQ==
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

2026-09-17T09:50:26.039413ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087283
observed 7b34118255b8a42e2a6e24fd5e4bf05f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:26.022036ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087283/manifest.json
observed f8f0d9b0b105f105b7ce2a85d951d547...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:26.010929ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087283
observed 7b34118255b8a42e2a6e24fd5e4bf05f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:26.003002ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087283/publication.md
observed 31735885f8294b7e4587218accc1cb0b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:25.992347ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087283/manifest.json
observed f8f0d9b0b105f105b7ce2a85d951d547...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:25.986028ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087283/publication.txt
observed f7a89e3d602765f0fb6dd9a8fe44e4a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:25.973811ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087283/publication.md
observed 31735885f8294b7e4587218accc1cb0b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:25.957104ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087283/publication.txt
observed f7a89e3d602765f0fb6dd9a8fe44e4a4...
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.