OpenTechnical

OT-2026-000032031

Publication integrity record

Foam pad vacuum gripper, three zone face, four outlet manifold, pump fed, 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-2026-000032031) never changes.

Identity and time

Publication numberOT-2026-000032031 · never reused
Internal UUID01a0ae74-bad3-7a94-945f-958a33180675 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:20.739935Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032031
StatusPUBLIC

Content hashes

Canonical textbd7eac41b29b0e0312a6eb0b54e063b1284c8ddeefb5c859f44f1cfdc1c7812c
Markdownf1853554162749b07cab701b1975014a81908b6403578accfb5852fb9dddcc5f
PDF
Publication pagea010088c5764b518b6edc88e602881e0c7fa613dfb5cc8907a838f21c57da42f
Manifest35c9e1b876c388146545c055131ede7f50ae15b92e31f81451e03465afce3b44

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
SignatureBoWkDKF0IC77ywS/Ucw58csXf+6FSkMw+S+CStrxmxLOeu3uyByjL27gFYFtxN/7rJ33Q9fERDeIoAE0CoemAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:35:26.469979ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032031
observed a010088c5764b518b6edc88e602881e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:26.449782ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032031/manifest.json
observed 35c9e1b876c388146545c055131ede7f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:26.431272ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032031/publication.md
observed f1853554162749b07cab701b1975014a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:26.411849ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032031/publication.txt
observed bd7eac41b29b0e0312a6eb0b54e063b1...
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.