OpenTechnical

OT-2026-000056625

Publication integrity record

Three cup vacuum gripper, three outlet manifold, single stage ejector, manifold pressure sensor, 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-2026-000056625) never changes.

Identity and time

Publication numberOT-2026-000056625 · never reused
Internal UUID01a0ae87-7af5-72c9-a6c8-168d0d4aa26c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:49.577818Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056625
StatusPUBLIC

Content hashes

Canonical text2e7cec89334df0595fed27967f6f733c47c4a9e74b6836746d14d7da9cc600ed
Markdowna3f00810382061d3e8191014a6f8333f2fae3116727b09ea055f1cf58db89783
PDF
Publication pagef521e213efd332bab4eb1003f36395d84c81d2db49dddb13510f61000a7cd290
Manifest185eaf4b2079545fc5a90fd8c96e47e33dfee6fba6a98ff287c11dd9b62523c3

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
SignatureveFkaKG/VydOQM0dVVZtUJdjrLUND7Qe6hSOExY3ng6Nh4lgfocdcMl+aGavYcvvovBLlMocqWaxivb0C3MiAg==
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...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:49:58.923448ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056625
observed f521e213efd332bab4eb1003f36395d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:58.904713ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056625/manifest.json
observed 185eaf4b2079545fc5a90fd8c96e47e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:58.886159ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056625/publication.md
observed a3f00810382061d3e8191014a6f8333f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:58.867555ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056625/publication.txt
observed 2e7cec89334df0595fed27967f6f733c...
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.