OpenTechnical

OT-2026-000085515

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, three stage ejector, sustained 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-2026-000085515) never changes.

Identity and time

Publication numberOT-2026-000085515 · never reused
Internal UUID01a0ae99-aaac-75d3-be6d-028fbb8868c6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:41.564662Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085515
StatusPUBLIC

Content hashes

Canonical text07b350e22b6bcb700e40a62c5df89dd97ff7a7adeec642d353e48b0dc25da219
Markdown1e6d0b7cc80a2a1b072dbc6a2f2648b3496ff578100ae22b9bb0773634650742
PDF
Publication page07c34ce0650c8b469e1d5a9bb5a04755090f3f98d23e92abffe58a96b7088f98
Manifest9519fbb1afdce63f1e3f92e8c355405d5614a24f952527e83d1071b38f544950

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
SignatureC9GkeurWif1XL+6YSnX54lhxRZJnZvPmw6J/kK+xhuOoYylSDb5x56WGVbuOcE6rZVgy1L8K4KXAA6dbFsP1AQ==
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

2026-09-17T09:54:19.412336ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085515
observed 07c34ce0650c8b469e1d5a9bb5a04755...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:19.395326ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085515/manifest.json
observed 9519fbb1afdce63f1e3f92e8c355405d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:19.377962ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085515/publication.md
observed 1e6d0b7cc80a2a1b072dbc6a2f2648b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:19.360504ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085515/publication.txt
observed 07b350e22b6bcb700e40a62c5df89dd9...
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.