OpenTechnical

OT-2026-000010406

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, vented 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-2026-000010406) never changes.

Identity and time

Publication numberOT-2026-000010406 · never reused
Internal UUID01a0ae6c-0ee6-7639-9a66-5558bab381d1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:52.445886Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000010406
StatusPUBLIC

Content hashes

Canonical text5a6adac9774ace8ca391eaf19bb6734fc12b6ceaa418902bec9d0278f3dece84
Markdowncd8464ddbc8168883d97747348f473c94af85bce832c7fe6268edee0df36afe8
PDF
Publication pageef97031ff20a1011a6ebb36404339cc68248d06e5fcbeea614f55ef505f1611b
Manifestaf6818198e6d9c37532d6203316da7815327c0de50f663b60d3a0e41f82d8bc4

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
SignatureFpTr6yhLSI48ZYFxT0Nitqv9vQsGUKlrKB8j9/SGj3ngUMGwHDVa4VHJ9Gi2v5Pgj9lcFwFTrMVqiLLXJgzwCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:14:31.901005ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010406
observed ef97031ff20a1011a6ebb36404339cc6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:31.882337ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010406/manifest.json
observed af6818198e6d9c37532d6203316da781...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:31.865233ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010406/publication.md
observed cd8464ddbc8168883d97747348f473c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:31.842614ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010406/publication.txt
observed 5a6adac9774ace8ca391eaf19bb6734f...
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.