OpenTechnical

OT-2026-000085620

Publication integrity record

Two bellows cup vacuum gripper, two zone face, plant vacuum fed, 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-2026-000085620) never changes.

Identity and time

Publication numberOT-2026-000085620 · never reused
Internal UUID01a0ae99-aaad-7314-bf46-7fc7b0819b72 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:41.564662Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085620
StatusPUBLIC

Content hashes

Canonical textec5216d874651135aa9ef7073bd1b39ef9bdd20a97a63213e33749f8c7687a61
Markdowne94ab13011235c9f4bc2e34ef44a12da4b083e547bae4bdb640859191e6345b1
PDF
Publication page6b0913dbc73e0867c99defa8441c1a40bacea5d8007664396f9e5f0fd50c72cf
Manifestb001da99ae35e1cf39d3698c4599728df3107e9c973969a051518c2448477e71

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
SignatureEGCyi0V+IgsB/irQasV+t8c4dbFyGKYGQ0tO64skCy2+s52kR+favozjrjZwpQDt3qKc26yIDNWkbeYyNqXeCQ==
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

2026-09-17T09:54:30.139530ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085620
observed 6b0913dbc73e0867c99defa8441c1a40...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:30.117449ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085620/manifest.json
observed b001da99ae35e1cf39d3698c4599728d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:30.097635ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085620/publication.md
observed e94ab13011235c9f4bc2e34ef44a12da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:30.078129ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085620/publication.txt
observed ec5216d874651135aa9ef7073bd1b39e...
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.