OpenTechnical

OT-2026-000089643

Publication integrity record

Two cup vacuum gripper, two zone face, four outlet manifold, pump fed, manifold pressure sensor, 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-2026-000089643) never changes.

Identity and time

Publication numberOT-2026-000089643 · never reused
Internal UUID01a0ae9c-1a21-7b25-953a-d8b397efb931 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:21.039513Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089643
StatusPUBLIC

Content hashes

Canonical text6368575ccd77e913dfc25aac52dcc135cee8f434b1f52744a5fad368f752a21c
Markdown40524aac30065667900df091387f768b7fb5fb77f6512a1a6a1cbe94c7db02b4
PDF
Publication pagece65e66c88ad8d17024153e953d7f3059b42fefe4c0297b233be382df947f399
Manifestbec2d4c1037ff47e055dda93a96dc96b1d5aa1da9e52f202d31f60b5c0fe0e18

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
SignatureOXpYUm6bjxqs5hMvG/JP1oO7xyVQk/mdda50uF5ivP7054mttKVrOW4rUeI9ij3TD2SiVHnv/IYl2zOseBWgDA==
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

2026-09-17T09:46:24.558413ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089643
observed ce65e66c88ad8d17024153e953d7f305...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:24.542382ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089643/manifest.json
observed bec2d4c1037ff47e055dda93a96dc96b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:24.524993ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089643/publication.md
observed 40524aac30065667900df091387f768b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:24.498809ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089643/publication.txt
observed 6368575ccd77e913dfc25aac52dcc135...
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.