OpenTechnical

OT-2026-000091044

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, 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-2026-000091044) never changes.

Identity and time

Publication numberOT-2026-000091044 · never reused
Internal UUID01a0ae9c-c012-7cf7-8aad-09106cdd19a9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:03.518217Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091044
StatusPUBLIC

Content hashes

Canonical text730f93463bc19380a9fb4911b0f950cb21d2be246022ac8282b70b639256dc28
Markdownb19d9766b1560f123453623dab3037133a5757959773514ad81db6783875ef61
PDF
Publication pagef7a85511efb076efacc401ff383c1e094e7ea7dc6550fe40a671a9020a2fd96a
Manifest30dc5a7f53c3c92c42cf98b1a4d513013f3561a76b36407112613bd246bbc946

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
Signatureg12jJ4wUw++HacjRqb0jzHgD2z4hWRereSHCOgJFAVOtqljwxtFHInjs1gWjUtlU6I0kJKDlBBC0LxT+EM/VCw==
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

2026-09-17T09:43:59.816813ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091044
observed f7a85511efb076efacc401ff383c1e09...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:59.798202ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091044/manifest.json
observed 30dc5a7f53c3c92c42cf98b1a4d51301...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:59.770789ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091044/publication.md
observed b19d9766b1560f123453623dab303713...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:59.745700ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091044/publication.txt
observed 730f93463bc19380a9fb4911b0f950cb...
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.