OpenTechnical

OT-2026-000059616

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, two stage ejector, sustained blow-off after 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-2026-000059616) never changes.

Identity and time

Publication numberOT-2026-000059616 · never reused
Internal UUID01a0ae89-ec24-77d3-9338-1af2c3e47365 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:29.732559Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000059616
StatusPUBLIC

Content hashes

Canonical text5f5c3184f2de7010d1cd9b60e56cf68d99462d9cee25fcc27331f1cd5f6bb4d8
Markdown42334debb2add839d099a9c867d43eadd1aadfe21fcae267ab66824937b48fce
PDF
Publication page66cb6c00944e42a30fe746485eb4a2c2a8c10bb021a42c26b04e1088bfbd780a
Manifestbdc5b553f26c5a5703bb17700d484a08fbc65f14187c5886e2553e10605e2162

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
Signature4jA1/g+5Z1H5C3zQRDcgyKoKuVrS0rFF4TRuPMZL7p7WF5LVIdJMfH4CT9IY3YyviAyxzLtGBOdgn+PZZ0YBBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:44:16.468789ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059616
observed 66cb6c00944e42a30fe746485eb4a2c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:16.446013ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059616/manifest.json
observed bdc5b553f26c5a5703bb17700d484a08...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:16.426072ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059616/publication.md
observed 42334debb2add839d099a9c867d43ead...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:16.408387ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059616/publication.txt
observed 5f5c3184f2de7010d1cd9b60e56cf68d...
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.