OpenTechnical

OT-2026-000080199

Publication integrity record

Three cup vacuum gripper, three zone face, per zone isolation, two 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-2026-000080199) never changes.

Identity and time

Publication numberOT-2026-000080199 · never reused
Internal UUID01a0ae96-7e76-7dfe-9cc7-79f06284602f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:13.512436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080199
StatusPUBLIC

Content hashes

Canonical text8aad7b6b3c0cab35602a911d93c260e0ccfc47dea00dd5bb450cfa08642054b1
Markdownd11b906bb3e3ffd63313e442750820bc7b3f9da357f5897dbdcfc56454bec666
PDF
Publication pagefe9a82436366b840226a7c0de6f40fc4cc5aff301f02a8e1c852444ff241b02e
Manifest42bc701b090b6341fa4efa7d0fcaa28048988a87c6c5aab1d97eff028c77eed1

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
SignaturenZ/upkyxSH49si4mCkgsVYzKvVnWShGoKmXj1y5FI3L6LC3parTGVeFil4CPYrKFV0/2YNdR1xcG2pGOWHQbAQ==
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

2026-09-17T10:02:38.669731ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080199
observed fe9a82436366b840226a7c0de6f40fc4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:38.649271ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080199/manifest.json
observed 42bc701b090b6341fa4efa7d0fcaa280...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:38.630087ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080199/publication.md
observed d11b906bb3e3ffd63313e442750820bc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:38.611919ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080199/publication.txt
observed 8aad7b6b3c0cab35602a911d93c260e0...
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.