OpenTechnical

OT-2026-000091173

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, single stage ejector, 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-2026-000091173) never changes.

Identity and time

Publication numberOT-2026-000091173 · never reused
Internal UUID01a0ae9c-f16b-725c-aac2-cd82ee961434 · 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-2026-000091173
StatusPUBLIC

Content hashes

Canonical text8cc12135a5c4b24e8f540c4c4ef3da678b14fabfb103b3be09f73be298407b4e
Markdown9069c9ace4275731083252e1decda1f08094099454b7cc9b8c627cdab85de609
PDF
Publication page09902fb86a3cdfc04397fa36b44576ba07652234abfc6d4ff7118af9fd5959a9
Manifest9b71172483420760c3f007eefc29c23dc83e258ff82d0a879c7149f9b3214d52

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
SignaturenArYqxqCzpab9d6regOMwQIno69RZqLHosdR/M6eSZgD+gVIrd11b2BfU6FY2r73BSUIvIDJ9sf6sr8+r/ZECg==
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

2026-09-17T09:43:19.833883ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091173
observed 09902fb86a3cdfc04397fa36b44576ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:19.816587ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091173/manifest.json
observed 9b71172483420760c3f007eefc29c23d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:19.799127ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091173/publication.md
observed 9069c9ace4275731083252e1decda1f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:19.782108ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091173/publication.txt
observed 8cc12135a5c4b24e8f540c4c4ef3da67...
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.