OpenTechnical

OT-2026-000091134

Publication integrity record

Four bellows cup vacuum gripper, four 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-2026-000091134) never changes.

Identity and time

Publication numberOT-2026-000091134 · never reused
Internal UUID01a0ae9c-f16b-7991-a142-00af4077899a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:16.158740Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091134
StatusPUBLIC

Content hashes

Canonical text538602dd990be8c694491ed654b5249f5153998317177855980dd990570fafff
Markdown483e88f7f090e7e8200bf94555c12217d7708437ba654c835afe475c9caf4e70
PDF
Publication pagea1e48c637abe0a7686a6da1295dd69baa2f87b4a6e1880e018c1ee4290013b7a
Manifest91e57357ab763d76d8105555567515869f0543f02f7e14f3c791b0005ef347f8

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
SignaturehFpIYAMaId7IVys8+fTYwopxZSw2hZ/eyv4EEiFOHJjpNWOMKlWj+cgm/DDX+u/i8L8saEAf0oq7uRFduoPgAg==
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

2026-09-17T09:43:17.434909ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091134
observed a1e48c637abe0a7686a6da1295dd69ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:17.418007ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091134/manifest.json
observed 91e57357ab763d76d810555556751586...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:17.401619ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091134/publication.md
observed 483e88f7f090e7e8200bf94555c12217...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:17.385792ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091134/publication.txt
observed 538602dd990be8c694491ed654b5249f...
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.