OpenTechnical

OT-2026-000099301

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, single stage ejector, manifold pressure sensor, sustained blow-off before 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-2026-000099301) never changes.

Identity and time

Publication numberOT-2026-000099301 · never reused
Internal UUID01a0aea2-8289-792f-8fae-a69b9995dc00 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:20.980080Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099301
StatusPUBLIC

Content hashes

Canonical textee48a140d79abcccbfd97ee400ffabb34f32cb93e316614cdaf0d4e48ec0e289
Markdown785bad15c465e737ba00d1b1d2bfe863b7d6046855007073af0eab8afb806703
PDF
Publication pageb98a5de37ac9d1e6208ac72c51fc525dccd0fe9807085825588e615772c3c9fa
Manifestb758a23e3a4434a5feb274c0ada157d8fc48067fbd526e77a396060fae69b719

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
SignatureiVCxOoID4t3MFXv8+GblppgEi91bIk4PmmprafYmZbGeSXkd/dl8N7483lDiKSaIC2a+6DkGyjxXNTX9ycDTAw==
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

2026-09-17T09:30:45.874052ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099301
observed b98a5de37ac9d1e6208ac72c51fc525d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:45.856574ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099301/manifest.json
observed b758a23e3a4434a5feb274c0ada157d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:45.837460ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099301/publication.md
observed 785bad15c465e737ba00d1b1d2bfe863...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:45.819991ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099301/publication.txt
observed ee48a140d79abcccbfd97ee400ffabb3...
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.