OpenTechnical

OT-2026-000030731

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, plant vacuum fed, 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-2026-000030731) never changes.

Identity and time

Publication numberOT-2026-000030731 · never reused
Internal UUID01a0ae74-3fb4-7cf0-bbea-2420697864aa · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:49.275361Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030731
StatusPUBLIC

Content hashes

Canonical text0116ab6a8e9b5ea886d428f1f5878f58f609b92ce7e127f9a7fb160ae6530aa3
Markdown0fabdecc1790eae5d337520fa983701caec1a91c1040bd132d9fc289ce970055
PDF
Publication pagea68b9edcacbbfe6cc50b256421190261ee8c7792d9d0c9fdfd6c51ac94b09cdf
Manifestb92d1332968bbc2a3c5d55561c31c45e701798d0450c7087bc5d63827c8f9739

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
SignaturedlkLBJRUpYd3JPuqPeMU0FMtFXm2Iw3zkLK+JzCDnK8G7kL0lpDHFIv78Wd5akQ2kyjUnVRpSmbwVmYpkymaAw==
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

2026-09-17T11:36:38.916908ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030731
observed a68b9edcacbbfe6cc50b256421190261...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:38.898856ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030731/manifest.json
observed b92d1332968bbc2a3c5d55561c31c45e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:38.879894ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030731/publication.md
observed 0fabdecc1790eae5d337520fa983701c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:38.860529ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030731/publication.txt
observed 0116ab6a8e9b5ea886d428f1f5878f58...
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.