OpenTechnical

OT-2026-000010149

Publication integrity record

Three cup vacuum gripper, three zone face, plant vacuum fed, 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-2026-000010149) never changes.

Identity and time

Publication numberOT-2026-000010149 · never reused
Internal UUID01a0ae6b-cb7a-76b0-abe3-52aacaf8ed4f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:35.184400Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000010149
StatusPUBLIC

Content hashes

Canonical textf71a509d720d4e721ddad36a2fd60314fcea266df5eb05fea882ab4e40ffba79
Markdown1d9e6ea0343451af67b4e687e832c7c4113f34d8da1dac4cae79b05bd5ccab3f
PDF
Publication pagece6dea87d37b4b0250d4011017c5c36f6bd37fb2b2b1b691f5f9b946855e49a9
Manifest54b7d3fe4085b284ac2ee6285798d37190e081f68b57bd941e83966c92d36dae

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
SignaturecX9keEZEGqHagf9dng5rK37HR+8SsejLaQHIs5DkzYYKVVfq0AyaHQyoNbubPfI8Ygy4YAgyU1qyvCw2cT3/Aw==
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

2026-09-17T12:16:15.175053ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010149
observed ce6dea87d37b4b0250d4011017c5c36f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:15.155831ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010149/manifest.json
observed 54b7d3fe4085b284ac2ee6285798d371...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:15.137756ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010149/publication.md
observed 1d9e6ea0343451af67b4e687e832c7c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:15.119217ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010149/publication.txt
observed f71a509d720d4e721ddad36a2fd60314...
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.