OpenTechnical

OT-2026-000084394

Publication integrity record

Foam pad vacuum gripper, two zone face, common isolation valve, pump 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-2026-000084394) never changes.

Identity and time

Publication numberOT-2026-000084394 · never reused
Internal UUID01a0ae98-5b62-786b-aaef-2f46c77472b1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:15.619216Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084394
StatusPUBLIC

Content hashes

Canonical text4c03c51b5bd67835cf91a4b620a6502950c5c26aa5a53b334d0be53740fa376f
Markdown30c880fc451c5b608a575d60de63de5ec73654eb40a971450929b81d469264d9
PDF
Publication pagec3d96e8cdb211101f2b33f5f0e2d53cfa24490f233e68300c739e3f9327b9c60
Manifest4529126d443b866dd41e60144d89b862f816256b4e04bb26815d53e10e1e5099

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
Signature5+DE3LdGJMzH2VawnmSx6GCZvneTRs4ib1d5dKxcnD1cKGyuA6aIm77Q4mDF5Nf5d8QgTX6qG6OgzoSWLBq+DQ==
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

2026-09-17T09:56:20.235383ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084394
observed c3d96e8cdb211101f2b33f5f0e2d53cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:20.219380ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084394/manifest.json
observed 4529126d443b866dd41e60144d89b862...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:20.202737ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084394/publication.md
observed 30c880fc451c5b608a575d60de63de5e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:20.185757ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084394/publication.txt
observed 4c03c51b5bd67835cf91a4b620a65029...
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.