OpenTechnical

OT-2026-000077833

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, plant vacuum fed, pressure sensor per zone, 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-2026-000077833) never changes.

Identity and time

Publication numberOT-2026-000077833 · never reused
Internal UUID01a0ae95-2ed0-7001-a514-a5be360c4fdd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:47.703064Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077833
StatusPUBLIC

Content hashes

Canonical text4b959fce68e68e74f52a729ee2d72ae3cb53b25a2427b3caf6f9525ed6fab037
Markdown5e90eb81b1a9a40640b96e5fc94c08c41d504833999bb505dcb2da98c406c502
PDF
Publication paged1bd5d503320adfab418c064ce5bbf743cff9190111357b7201b4a50d4bd96ae
Manifest1fe39947486258d858b94d566111fe1b5d794e448f8a66d7a06f8ca3194b2246

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
SignatureflxLeQ+updyKQEeyZPL+ZzuRi5SE++c+DvT5ZzJacBVuHi+xvvqxOn7UiNGgS9qJv3UdFW5Eg1uX1k5jeNUYCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:07:25.870654ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077833
observed d1bd5d503320adfab418c064ce5bbf74...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:25.851492ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077833/manifest.json
observed 1fe39947486258d858b94d566111fe1b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:25.831401ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077833/publication.md
observed 5e90eb81b1a9a40640b96e5fc94c08c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:25.810913ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077833/publication.txt
observed 4b959fce68e68e74f52a729ee2d72ae3...
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.