OpenTechnical

OT-2026-000003712

Publication integrity record

Vacuum cup gripper, three zone face, four outlet manifold, plant vacuum fed

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-2026-000003712) never changes.

Identity and time

Publication numberOT-2026-000003712 · never reused
Internal UUID01a0a90a-d16e-7e14-9f8c-2a28b8a0ff27 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:07:33.616572Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000003712
StatusPUBLIC

Content hashes

Canonical text5d9ec63ac9c1c8325922f0c15721e356f3628e0ab7c136968be66bd5b36b7377
Markdown97e4002bb96ec72f624faf6631237c196c0fc82140e3b6c072f0ba7dab4911f4
PDF
Publication pagea04339aaa2392af6d70b953128fbdf1288846af8dab74fc80b76adedfa69fdc7
Manifeste77a4a210ef9b92fe1d13cd3db1bf6ba2759918b6aca6a244e16d3a88ff3f5e1

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
SignatureGphrFTID4bwz8E65Hnd6L+mOeOgxNT/9ZabryK4KMoAorlDg/d2/F+AZNEmsLMcK7IslHdeEnrnaXp6ieOesBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T07:27:02Z
batch OT-TS-2026-W38-009 · RFC 3161 token · inclusion proof
root aada101caea153fd76622afa3661a5b8...

Independent retrieval

2026-09-16T08:00:35.382086ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003712
observed a04339aaa2392af6d70b953128fbdf12...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:35.245308ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003712/manifest.json
observed e77a4a210ef9b92fe1d13cd3db1bf6ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:35.230249ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003712/publication.md
observed 97e4002bb96ec72f624faf6631237c19...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:35.214921ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003712/publication.txt
observed 5d9ec63ac9c1c8325922f0c15721e356...
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.