OpenTechnical

OT-2026-000010478

Publication integrity record

Three cup vacuum gripper, three outlet manifold, two stage ejector, vented 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-2026-000010478) never changes.

Identity and time

Publication numberOT-2026-000010478 · never reused
Internal UUID01a0ae6c-0ee7-7ae7-b583-ce0bc04206af · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:52.445886Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000010478
StatusPUBLIC

Content hashes

Canonical textc830706c1f2be2c7a7aa4c6172b744fe04311bb3c0cefca99591458f79f1d42b
Markdown35ed83f0a944af535132d683bd34a04f4ff17fa843dd5e6da0c383899118533a
PDF
Publication page44d45576239778ba3a359562468e8ddc9ca3ae924c4108ee6731f51364973f33
Manifest579aad4466c07be446fa046acc63b2d98799a131680741329788b653976e34a4

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
SignatureOPt9MuJoxO5trt6FDsyN3Zg2LZ/WfciIquhBaBr1vRNcH6vLKNehd/RKIZMVKRpvaJX1qsEj/zZdJONle5OBAg==
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

2026-09-17T12:14:37.366423ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010478
observed 44d45576239778ba3a359562468e8ddc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:37.344734ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010478/manifest.json
observed 579aad4466c07be446fa046acc63b2d9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:37.323168ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010478/publication.md
observed 35ed83f0a944af535132d683bd34a04f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:37.303111ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010478/publication.txt
observed c830706c1f2be2c7a7aa4c6172b744fe...
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.