OpenTechnical

OT-2026-000103131

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six outlet manifold, plant vacuum fed, pulsed blow-off after set-down, on a tool changer

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-2026-000103131) never changes.

Identity and time

Publication numberOT-2026-000103131 · never reused
Internal UUID01a0aea4-be3e-75cd-84f9-b067d1d15cb6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:47.343354Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103131
StatusPUBLIC

Content hashes

Canonical textf0633d7d6548ff187dad3750afa60f0981ce9b4ef1c0def448d5a90f2a8c3977
Markdownd9ea1bf24109c0505806d2a1843538f7b57d3a4077a640be0400c6495b9358e2
PDF
Publication page13ed1beb217840dad3a3c2e9859ff7791ce1de428fd7d3854dab63a1b09208bc
Manifest63b3080132f4d94acbe587906a594d8701aab28db0a9fae5964dd89aae0dd41d

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
SignatureuwUL8X8LoV/OYG7u7/DJhJja8CRPnEXxbHs79lbjUJLUbW2tN1l1h7Djmi8RR/Jn3adWUqER8NXzpesb8kMIAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:23:15.981846ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103131
observed 13ed1beb217840dad3a3c2e9859ff779...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:15.962411ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103131/manifest.json
observed 63b3080132f4d94acbe587906a594d87...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:15.943756ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103131/publication.md
observed d9ea1bf24109c0505806d2a1843538f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:15.925600ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103131/publication.txt
observed f0633d7d6548ff187dad3750afa60f09...
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.