OpenTechnical

OT-2026-000022275

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, plant vacuum fed, pulsed 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-2026-000022275) never changes.

Identity and time

Publication numberOT-2026-000022275 · never reused
Internal UUID01a0ae6f-f4fc-7997-b1ef-9f0f832ae731 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:07.953226Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022275
StatusPUBLIC

Content hashes

Canonical textfeac947b1798812bf4e134ba8091326d23c5177eb10c2867f327cb571618a9ee
Markdowncf7942573662043734a4a3906ce2784f318d369acea246e7dc06600019d39826
PDF
Publication page9bd0e1bb5875a09e8f521e795a863b080ca81e3462c2f73edd1e6790de097803
Manifest1b813188a53ed66f251231550336dc7addcfbc1ca480395ba49bd915bf755cc6

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
SignatureHvXabVmTeC+D8AciTq5Ir+ifz/sP+KwRhT3ERQXEy3EJHOQFPLzQny9N65IZZi7Nhqgqw1eA83S9ej+srJEcAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:53:04.544545ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022275
observed 9bd0e1bb5875a09e8f521e795a863b08...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:04.529324ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022275/manifest.json
observed 1b813188a53ed66f251231550336dc7a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:04.510875ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022275/publication.md
observed cf7942573662043734a4a3906ce2784f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:04.494033ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022275/publication.txt
observed feac947b1798812bf4e134ba8091326d...
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.