OpenTechnical

OT-2026-000102182

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, plant vacuum fed, pulsed blow-off after 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-2026-000102182) never changes.

Identity and time

Publication numberOT-2026-000102182 · never reused
Internal UUID01a0aea4-50f3-752a-8ca8-829cc86102d4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:19.361569Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102182
StatusPUBLIC

Content hashes

Canonical text4b65730ea9006564e8164a645ce0fb313665a2aa57697b1242be5b3e5aa8082a
Markdowncb9bbda1b50192a224ca0893b29deb6808120379ccc52458387d25c13cfe44c7
PDF
Publication pagead9d9cd21d7241e4a093ccb8367f4e9fe7ff1c337157f9e0edae2967d986a5dc
Manifestfeb377722912e532a969e57b70a38986b40de0b6b132ddc7a33aca8525345f4c

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
SignaturepPTX9JnZOyjHqgKx5/uSlh2VQut05Gxirfl2rqxzLVBgQF4wfcCyTKt7t0Akpxe2OEf+3ggTlCw/nUHOlns/AA==
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

2026-09-17T09:25:21.233242ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102182
observed ad9d9cd21d7241e4a093ccb8367f4e9f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:21.212844ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102182/manifest.json
observed feb377722912e532a969e57b70a38986...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:21.195439ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102182/publication.md
observed cb9bbda1b50192a224ca0893b29deb68...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:21.178226ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102182/publication.txt
observed 4b65730ea9006564e8164a645ce0fb31...
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.