OpenTechnical

OT-2026-000083484

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, vented 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-2026-000083484) never changes.

Identity and time

Publication numberOT-2026-000083484 · never reused
Internal UUID01a0ae97-c965-7290-87f5-dac63a28b727 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:38.321156Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083484
StatusPUBLIC

Content hashes

Canonical text861a410246de7b61bf92af4694460d0ddd29c1b20269901c94609740b97e4ec2
Markdown0429f7a668ef6e726a73483917c478778a7f4e95adc0d33350a24d92a0714f91
PDF
Publication page1fb8b5f29e9f1a1ab55647de07f6b5836b706e1940c4fd266a39eb3f853bd368
Manifest728f0501b38465f0d50d9ee88de952c3553872e432e455898748422f8f2b6ce6

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
SignatureWHS4qConux7YNV+crnb+2+LGpszWQG05fhjXOU7j3YwXrh7DfDeOL+Hgmw1NvSZavbBygNh+iAcrQkyAYFKQBw==
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

2026-09-17T12:41:46.134091ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083484
observed 1fb8b5f29e9f1a1ab55647de07f6b583...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T12:41:46.008774ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083484/manifest.json
observed 728f0501b38465f0d50d9ee88de952c3...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T12:41:45.823822ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083484/publication.md
observed 0429f7a668ef6e726a73483917c47877...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T12:41:45.631547ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083484/publication.txt
observed 861a410246de7b61bf92af4694460d0d...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T09:57:54.463187ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083484
observed 1fb8b5f29e9f1a1ab55647de07f6b583...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:54.446837ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083484/manifest.json
observed 728f0501b38465f0d50d9ee88de952c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:54.429920ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083484/publication.md
observed 0429f7a668ef6e726a73483917c47877...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:54.414367ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083484/publication.txt
observed 861a410246de7b61bf92af4694460d0d...
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.