OpenTechnical

OT-2026-000099693

Publication integrity record

Two bellows cup vacuum gripper, two zone face, plant vacuum fed, pressure sensor per zone, 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-2026-000099693) never changes.

Identity and time

Publication numberOT-2026-000099693 · never reused
Internal UUID01a0aea2-c976-77fd-b22a-291080df6a51 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:39.138466Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099693
StatusPUBLIC

Content hashes

Canonical text5ae9e113d6afc8e973825833904ed3ab00521e8960d3fcef61141b0afdaaa0ff
Markdown02a98b940d9514e18fe4fc697d34902d0804224f5587e87f075f551f304f02cc
PDF
Publication page6f693c11accb2f06d68ff03548bff8e1c03e4559f8c25bb704116ae893108a37
Manifest78af30426fd310e3a087ae9f3225e17c31e19e67a0190a23a67eae3da894f9c3

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
SignatureGUH2qJIrLE+DT4MEzXFpmCOJPNztw7IvJO6tmubJGKzxtprdM63u3bhPKuWo2j6Q5VF8HxV0n7Xn54F0mmGeCw==
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

2026-09-17T09:29:42.257795ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099693
observed 6f693c11accb2f06d68ff03548bff8e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:42.239160ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099693/manifest.json
observed 78af30426fd310e3a087ae9f3225e17c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:42.220082ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099693/publication.md
observed 02a98b940d9514e18fe4fc697d34902d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:42.199467ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099693/publication.txt
observed 5ae9e113d6afc8e973825833904ed3ab...
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.