OpenTechnical

OT-2026-000011428

Publication integrity record

Foam pad vacuum gripper, three zone face, single 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-2026-000011428) never changes.

Identity and time

Publication numberOT-2026-000011428 · never reused
Internal UUID01a0ae6c-88fe-7eb8-919a-be3dc220816c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:12:23.703080Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011428
StatusPUBLIC

Content hashes

Canonical textf44d56e270c3feffdef8051675bc9ec982184ef3e1efb98ebd640d7beb1fa314
Markdowna51ec782f84f152065a4a00822deba1d0ca6f54a9f578e49e4119461697ead28
PDF
Publication page84ea8eaeea7d2b488fb31a714f8746b9833d1b0fdbbc8340d39dbdf7ff7e86d8
Manifest175f49ad4b56d69388f95d0ce681a4c2c5ef9c4bb2292cf5a0241feefd6311ce

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
Signature5IvDnO6IJaYX/434WK/3WD7Wsem0Y12HILKk6pUBpSiK9WywaIOKt6K+sTeuzEyP+MnkgSEsm4DRMuOXnXUtAQ==
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

2026-09-17T12:13:11.031686ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011428
observed 84ea8eaeea7d2b488fb31a714f8746b9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:11.012192ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011428/manifest.json
observed 175f49ad4b56d69388f95d0ce681a4c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:10.992785ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011428/publication.md
observed a51ec782f84f152065a4a00822deba1d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:10.971437ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011428/publication.txt
observed f44d56e270c3feffdef8051675bc9ec9...
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.