OpenTechnical

OT-2026-000033643

Publication integrity record

Foam pad vacuum gripper, four zone face, six 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-2026-000033643) never changes.

Identity and time

Publication numberOT-2026-000033643 · never reused
Internal UUID01a0ae75-a38f-7296-94f9-529b3aba70d0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:20.325649Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033643
StatusPUBLIC

Content hashes

Canonical textc37290d0fc152673c7af754ee0c408d6fa8fcc91736702a2c873c25102a170a8
Markdownc46771ae81090539fc88ca149da967d056366defb4638ce7304a0501d0e70105
PDF
Publication page76afd4451f99cbd40cdcd134e1ca083c389bd5328f5fcd9a53ddbc9fd620c0f7
Manifest1ffa050f3a0ba6f85bc7c0a3c35684b7c07bc513d1ce8565ad391f64ccc464d9

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
SignatureF+UX2EhdzuBOrAdNQrG/jdPb+PELAIj+9H6mKV3o595uL0zlmBAnnZM1YCk5Sh5lc9NKM+UlXX9rh/BDwTvNDA==
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

2026-09-17T11:31:37.581964ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033643
observed 76afd4451f99cbd40cdcd134e1ca083c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:37.563898ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033643/manifest.json
observed 1ffa050f3a0ba6f85bc7c0a3c35684b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:37.545761ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033643/publication.md
observed c46771ae81090539fc88ca149da967d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:37.525692ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033643/publication.txt
observed c37290d0fc152673c7af754ee0c408d6...
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.