OpenTechnical

OT-2026-000103220

Publication integrity record

Foam pad vacuum gripper, three zone face, six outlet manifold, three stage ejector, 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-2026-000103220) never changes.

Identity and time

Publication numberOT-2026-000103220 · never reused
Internal UUID01a0aea4-be3f-760d-b320-1e1cb252d376 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:47.343354Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103220
StatusPUBLIC

Content hashes

Canonical text0c013ff4389e533b150199ae16fffcf945c9719edebe3bec96c4c517bfd36a79
Markdowndd5f7e5474990dac0ecf7e2d59461f1a9a7f9eeddedc478352c0b8a8b30936ca
PDF
Publication page72083f48bc00045a10bc4eb637c90620d4a183787985afd17d7062bdbc13f9fa
Manifest310150698fee5332326551df7bf1062d0a10620d2600e2f9f1de59b273b06587

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
SignatureUiuAVf66YXD0b0lSyiot8N99fkjzPVJyOh10O4mKaJmdTGHCvqUn1V3oDyqUcnVlbpka9ul2P0ZfxqgGqqIxDQ==
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

2026-09-17T09:23:27.034233ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103220
observed 72083f48bc00045a10bc4eb637c90620...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:27.015469ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103220/manifest.json
observed 310150698fee5332326551df7bf1062d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:26.998872ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103220/publication.md
observed dd5f7e5474990dac0ecf7e2d59461f1a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:26.979979ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103220/publication.txt
observed 0c013ff4389e533b150199ae16fffcf9...
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.