OpenTechnical

OT-2026-000097139

Publication integrity record

Two cup vacuum gripper, two zone face, per zone isolation, single stage ejector, supply line pressure sensor, sustained blow-off before 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-2026-000097139) never changes.

Identity and time

Publication numberOT-2026-000097139 · never reused
Internal UUID01a0aea1-01c9-7e9b-8f68-d3ffe14d2284 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:09:42.488246Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000097139
StatusPUBLIC

Content hashes

Canonical text3a8649a59d403e31f2ca2d5f42190fb4b5dd2344bec3f5bde900fb195d8f74ef
Markdowne1064d5aaa90af24f86e84943d2e4c1b4a989eb971ec68b445a721b0f5064146
PDF
Publication page394b90b9e9ad97236aad5cb639b3a211eda95c79772c63740e4578b38e04f591
Manifest3d7aa97017b58f859cfc6404b227d9230cdf417decd1dea02722027558340833

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
SignaturekE5skkmMBFu4YGGfJ4P+vdm+9HS4nosk7AeyzIBa/xsSD+VcGNP9HC8UjlUMghs/FdxU51Sm3EbATWOZ5+2TCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:10:55.711582ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097139
observed 394b90b9e9ad97236aad5cb639b3a211...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:10:55.690094ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097139/manifest.json
observed 3d7aa97017b58f859cfc6404b227d923...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:10:55.671775ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097139/publication.md
observed e1064d5aaa90af24f86e84943d2e4c1b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:10:55.654483ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097139/publication.txt
observed 3a8649a59d403e31f2ca2d5f42190fb4...
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.