OpenTechnical

OT-2026-000088448

Publication integrity record

Two cup vacuum gripper, two zone face, two outlet manifold, 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-2026-000088448) never changes.

Identity and time

Publication numberOT-2026-000088448 · never reused
Internal UUID01a0ae9b-5d27-7751-9201-7579de4ee6ec · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:32.662646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088448
StatusPUBLIC

Content hashes

Canonical text9db5a797189f38407fcd0ad3c5baf72e14ae2cbc6ebf62cb8b786796746bf9ea
Markdown1294cfbb699656664e9f56466fee2a4dba6e9005c91dfdb6165d8cee6db718ce
PDF
Publication page820b64c6b1c72b2be3c4a31d5fc68889ebb045fe43615f5858f42e859ef2dadc
Manifeste63ab5b787060af22779e67546f0988bdabd6b97f51d83a989ff4beee798f89a

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
SignatureNjTnyKhxT6FHQYcpLBHJGnRDwhfY9HMpWc6sQ3O/DcFi2PqdHeYzjjn4c3fcnfARTnxRMbV/8wPUpExx7Y5KAg==
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

2026-09-17T09:48:49.597160ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088448
observed 820b64c6b1c72b2be3c4a31d5fc68889...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:49.579912ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088448/manifest.json
observed e63ab5b787060af22779e67546f0988b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:49.561440ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088448/publication.md
observed 1294cfbb699656664e9f56466fee2a4d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:49.542076ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088448/publication.txt
observed 9db5a797189f38407fcd0ad3c5baf72e...
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.