OpenTechnical

OT-2026-000005074

Publication integrity record

Vacuum cup gripper, per zone isolation, six outlet manifold, three stage ejector, rubber cups

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-2026-000005074) never changes.

Identity and time

Publication numberOT-2026-000005074 · never reused
Internal UUID01a0a92d-0665-7faf-b79f-683a0b3675c1 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:44:55.400673Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005074
StatusPUBLIC

Content hashes

Canonical text878b90b39fc521417815e8f5c03d5de31e8734378380f3eab6b931390e139d8d
Markdowne69e115612e285a3a00485e77211774579ddb63ba57abe4500d5bc40adeaa30c
PDF
Publication pageaac5139d4fad2a070fcb00820068ba643aaf39668533dc2aedd2d077e87e73c0
Manifest2ba1768b8ce82275b5f9eeecb3de280b72b901c5d741cfd434be173bda08ea4f

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
SignatureP8LY1pxHRcGn0qJdlUeNJfHLt6SMMpCfTPDyuzqd5VNfsHTMUntY8euh0uOd7/lFjbddTZwIYlYh1Nbf8/QkDg==
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

2026-09-16T07:50:18.385900ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005074
observed aac5139d4fad2a070fcb00820068ba64...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:18.372008ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005074/manifest.json
observed 2ba1768b8ce82275b5f9eeecb3de280b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:18.233680ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005074/publication.md
observed e69e115612e285a3a00485e772117745...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:18.218012ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005074/publication.txt
observed 878b90b39fc521417815e8f5c03d5de3...
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.