OpenTechnical

OT-2026-000095025

Publication integrity record

Two bellows cup vacuum gripper, two zone face, pump 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-2026-000095025) never changes.

Identity and time

Publication numberOT-2026-000095025 · never reused
Internal UUID01a0ae9f-2df0-776a-bac1-c3e1255d8ae2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:07:42.715218Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000095025
StatusPUBLIC

Content hashes

Canonical textf939a4bc90878d8afdcde56599d3269f4a7484aa8cbbdf8efc1a32e890327a7f
Markdown00aaaf0335cbbe9a0a53682b8af6e55348fde45fb648810ab7c9dd8ddd6342b2
PDF
Publication page1dd4ab232931d57c2dda6fd9644d61e41aab7c4c5312b298186be56395204f03
Manifest210fe69678b7110c7476e9c5837fa5e34c3baa52cb255227fd2b96f049eba1bc

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
SignatureVIltWgrItwnyFNODhtrwz+vJlCJCOZYHW3KXLyCucj+oDkvppGCl2ngYn6BZIoFfS/B/IokiYuRVmslCtSw0CQ==
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

2026-09-17T09:37:35.163335ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095025
observed 1dd4ab232931d57c2dda6fd9644d61e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:37:35.147760ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095025/manifest.json
observed 210fe69678b7110c7476e9c5837fa5e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:37:35.131488ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095025/publication.md
observed 00aaaf0335cbbe9a0a53682b8af6e553...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:37:35.114040ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095025/publication.txt
observed f939a4bc90878d8afdcde56599d3269f...
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.