OpenTechnical

OT-2026-000087949

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, pump fed, 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-2026-000087949) never changes.

Identity and time

Publication numberOT-2026-000087949 · never reused
Internal UUID01a0ae9b-1aa6-7891-a867-b9fe9945aee1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:15.638297Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087949
StatusPUBLIC

Content hashes

Canonical text7e8453dff519cbaec6ff481b1ae9c3bf8acc60ba000cb945c5b176ea6a2bf5a5
Markdown6ce2c549da80f47c617a3ec772430e12646ba2da0bb3dbcdc55d9d7aa93eec37
PDF
Publication page9658b6c62e932d0dccfc7cfa2a6859a7cb7a84c39d45da24fc9aad0cc735883d
Manifestb7fba6621d041d35b26a46ad2d8798f952254c936eed12b33c76e99bfa783dea

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
Signatureg5ULhaJ6A9M1qA93cu6QUW4flmv0+XhtD1KXR5IR/gtCADztSY4Ll1jdMQBYUp0jliO0401LBVrpJAcxx/u6CA==
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

2026-09-17T09:49:14.167097ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087949
observed 9658b6c62e932d0dccfc7cfa2a6859a7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:14.149233ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087949/manifest.json
observed b7fba6621d041d35b26a46ad2d8798f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:14.131769ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087949/publication.md
observed 6ce2c549da80f47c617a3ec772430e12...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:14.112253ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087949/publication.txt
observed 7e8453dff519cbaec6ff481b1ae9c3bf...
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.