OpenTechnical

OT-2026-000050625

Publication integrity record

Six cup vacuum gripper, six outlet manifold, single stage ejector, vented before set-down, on a tool changer

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-2026-000050625) never changes.

Identity and time

Publication numberOT-2026-000050625 · never reused
Internal UUID01a0ae82-5c4a-7d05-904f-87230f373cd2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:14.042293Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050625
StatusPUBLIC

Content hashes

Canonical text8952416bcc4d0650f91d5a0ecf731014e82a465279dd4dd2933b3696f2ae6d88
Markdownff01e344e71d19609f1e0fb5b621f2e42924e7b4ce77cff575f1149a0e8093cd
PDF
Publication pagea255cb84230a30c31a5ab7033496130e114626d96aafa4d46fd7caee068c62de
Manifest1ec6a4434c16539500674226920392f8552d8d849ee2a63a956d7203b84b18cc

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
SignatureozQ8ra8uUufcijsAs4JymcL4k7fhv41uzrjL/bLhnfG4j/2gBj0UQVgg0+Adyllu29lSs1L+asytI+Azjt5WBw==
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

2026-09-17T11:01:44.362613ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050625
observed a255cb84230a30c31a5ab7033496130e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:44.343173ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050625/manifest.json
observed 1ec6a4434c16539500674226920392f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:44.324600ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050625/publication.md
observed ff01e344e71d19609f1e0fb5b621f2e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:44.304812ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050625/publication.txt
observed 8952416bcc4d0650f91d5a0ecf731014...
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.