OpenTechnical

OT-2026-000043726

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, single stage ejector, sustained blow-off 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-2026-000043726) never changes.

Identity and time

Publication numberOT-2026-000043726 · never reused
Internal UUID01a0ae7b-92d1-7664-bfff-d120f10733be · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:49.254972Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043726
StatusPUBLIC

Content hashes

Canonical text77ed9fb88d0d85d7f9f78b96bd8144042ebf34c72a4ca04771afbdd757bf1a64
Markdown634dc603fb4ebb46680c843d70217c52760a936ade3941e5277bf6828644b6a8
PDF
Publication pagec9fa5c35e69e09da92a44ec5181aba426dca8dfa771253d393e8ea77a3a454f6
Manifestab4fd590fc5511121f448482f607130d2b131e4d23fb8354dcb3452b55076c98

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
SignatureVX4QnXTywM+y4YW43zkNWwKHTkXUM18XzaFAaha1P0tOA9HSSAdOjmtPDegRGHqf5SXtFsL/gso9+Li9NcGVCQ==
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

2026-09-17T11:13:13.804567ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043726
observed c9fa5c35e69e09da92a44ec5181aba42...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:13.785594ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043726/manifest.json
observed ab4fd590fc5511121f448482f607130d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:13.765207ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043726/publication.md
observed 634dc603fb4ebb46680c843d70217c52...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:13.744458ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043726/publication.txt
observed 77ed9fb88d0d85d7f9f78b96bd814404...
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.