OpenTechnical

OT-2026-000074701

Publication integrity record

Foam pad vacuum gripper, three zone face, four outlet manifold, plant vacuum fed, manifold pressure sensor, pulsed 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-2026-000074701) never changes.

Identity and time

Publication numberOT-2026-000074701 · never reused
Internal UUID01a0ae93-ac2b-7ccf-87b0-06e9447568d4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:08.693295Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074701
StatusPUBLIC

Content hashes

Canonical textf971265c86b7d9e673d445acca9023b281616df4135ca6128d06a9f536f39ce8
Markdown8277592f38276b96586bf63993de9c9a95843c8de64d76d1d987312c5d95af96
PDF
Publication page409a91ded4cd28f0c13e1f3dd65b567ca54d85b66848a7b0979fb652cb61cdda
Manifest859e4ef3ee23bff3d36f53c1507efc0e7e7371aecb523f2d3083fe816a93b9b9

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
SignaturedvE8zYOe0snq6mVAgKMxgSRjs2YKa31wTj65TA2mVHkDTxl8WHtU3rZVjXDs9zd5jx34aW+Bx9olPoqA7aNHBQ==
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

2026-09-17T10:18:17.519253ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074701
observed 409a91ded4cd28f0c13e1f3dd65b567c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:17.499614ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074701/manifest.json
observed 859e4ef3ee23bff3d36f53c1507efc0e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:17.481431ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074701/publication.md
observed 8277592f38276b96586bf63993de9c9a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:17.461233ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074701/publication.txt
observed f971265c86b7d9e673d445acca9023b2...
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.