OpenTechnical

OT-2026-000004695

Publication integrity record

Vacuum cup gripper, two zone face, two outlet manifold, ejector fed, 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-2026-000004695) never changes.

Identity and time

Publication numberOT-2026-000004695 · never reused
Internal UUID01a0a920-6ac4-71f9-a309-c0a0bbb2349e · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:31:09.127144Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000004695
StatusPUBLIC

Content hashes

Canonical text73a05bcfe558ce9c6a52b992ee7865a3ea749cae754b42446da06c45889f5422
Markdown94213ec98945a43e6516d4b339335c607b1418b40a482f4d97407dff7eac787d
PDF
Publication pagec5796c14c6783737db91003def3fd78ff79908064de7f9f6abb4a0b834a15005
Manifest211635715eb17923357f4e3bc82c76c7ef158390d951c631c58f6ef06db177a3

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
SignatureOBGeDfFl26StLk7BPqMd6oK5tYmMfHZ3Aa5m5sRyrxwi39P6xn67s3L9T78hQDWfU2dtuVVTyqBmr/3jb6zgDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T07:47:02Z
batch OT-TS-2026-W38-010 · RFC 3161 token · inclusion proof
root e1b42dfa4cd0fb1e3e472afd2db961c2...

Independent retrieval

2026-09-16T07:40:28.688039ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004695
observed c5796c14c6783737db91003def3fd78f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:40:28.676593ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004695/manifest.json
observed 211635715eb17923357f4e3bc82c76c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:40:28.663599ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004695/publication.md
observed 94213ec98945a43e6516d4b339335c60...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:40:28.651903ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004695/publication.txt
observed 73a05bcfe558ce9c6a52b992ee7865a3...
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.