OpenTechnical

OT-2026-000065834

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, 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-2026-000065834) never changes.

Identity and time

Publication numberOT-2026-000065834 · never reused
Internal UUID01a0ae8e-46fb-7d94-bf23-5dd61068838b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:15.018480Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000065834
StatusPUBLIC

Content hashes

Canonical text61ad3f4196702521a7d4c3128f78b5bd759676a6fbe9e337593f32aeb034ca68
Markdown82319a32fdb8bd65d4964d6d656aaa52ca4fe88a961733bf48e3ab8b4c069247
PDF
Publication page47bf2eaac56d5051402ee01d30f0ec87de366c346fd1e16d97877055da13b84d
Manifestde506dee851a289dadc8c3bb98c68a5cb6f686cc9de9ce419ddb08d1a01b9ca7

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
SignatureWmAz9GGweSqHt0LnD8/uXj4n6WWhK+deTJlxiwbAO+KjqrXT2XroS48aXH85EUplqZ6tG3daQq83BWt7ardzDQ==
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

2026-09-17T10:34:17.161555ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065834
observed 47bf2eaac56d5051402ee01d30f0ec87...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:34:17.142937ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065834/manifest.json
observed de506dee851a289dadc8c3bb98c68a5c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:34:17.123925ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065834/publication.md
observed 82319a32fdb8bd65d4964d6d656aaa52...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:34:17.105845ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065834/publication.txt
observed 61ad3f4196702521a7d4c3128f78b5bd...
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.