OpenTechnical

OT-2026-000058327

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, single stage ejector, supply line pressure sensor, pulsed blow-off 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-2026-000058327) never changes.

Identity and time

Publication numberOT-2026-000058327 · never reused
Internal UUID01a0ae88-f398-7ff0-8bfe-18a0e985b45c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:43:25.998432Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000058327
StatusPUBLIC

Content hashes

Canonical textd746dab52616f97a9b9b30d5a58537d99410dc72692a6f2558eae1097de58efc
Markdownde949c24c64c37b4ffbc53807f705c297835443cba0c20d7894c3d952a180436
PDF
Publication page1fc219a96a154b5a061fceb16a82afb0c74620afae2b034eae4d54d9a33dcb85
Manifest290ce95e6c787b25d8cbf57229d803c425f9111473cf31bcd3079aa2388ed6e8

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
SignatureXrE0C1vYlmJqQglFqIAE20eE+5sZMFIs3k7VjKBzzBVRD/ltAl14BejgWYFITU5+IOXszHNdQUhU12RKY5tzAQ==
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

2026-09-17T10:46:44.111558ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058327
observed 1fc219a96a154b5a061fceb16a82afb0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:44.094438ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058327/manifest.json
observed 290ce95e6c787b25d8cbf57229d803c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:44.078398ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058327/publication.md
observed de949c24c64c37b4ffbc53807f705c29...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:44.059644ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058327/publication.txt
observed d746dab52616f97a9b9b30d5a58537d9...
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.