OpenTechnical

OT-2026-000032985

Publication integrity record

Single cup vacuum gripper, single stage ejector, pulsed blow-off after set-down

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-2026-000032985) never changes.

Identity and time

Publication numberOT-2026-000032985 · never reused
Internal UUID01a0ae75-4843-7876-a191-58012832ad97 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:57.065765Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032985
StatusPUBLIC

Content hashes

Canonical text3edcf84ce9f85394bb23865567117138414e4f4623c981093fdd6415a7657f41
Markdowne194329c9e19c6b90eb2a641879ec35d854faf71dc2a0fe9527e0dd3ec8cc5e7
PDF
Publication pagea0ea9afb6673e8ba767f1ea4645ee7b43a5142d8035586c2c64a4cf27ef95ee5
Manifestef169b9972b394bb2bf6bfd29eec6c27190b0b45ecd0407b46166a67ce9c3603

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
SignatureR3kSVow6vlKArb4VGazuFuBZ8qQc9s2nLS3ZdDHgsCTloF+Rz37+UbY3k2raUEhYL6FlWqonNbM9LhowjlpaBw==
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

2026-09-17T11:32:35.928754ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032985
observed a0ea9afb6673e8ba767f1ea4645ee7b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:35.909154ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032985/manifest.json
observed ef169b9972b394bb2bf6bfd29eec6c27...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:35.891130ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032985/publication.md
observed e194329c9e19c6b90eb2a641879ec35d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:35.873523ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032985/publication.txt
observed 3edcf84ce9f85394bb23865567117138...
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.