OpenTechnical

OT-2026-000016531

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, pump fed, pulsed 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-2026-000016531) never changes.

Identity and time

Publication numberOT-2026-000016531 · never reused
Internal UUID01a0ae6e-2d13-70da-adc4-dccfd272c450 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:11.237946Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016531
StatusPUBLIC

Content hashes

Canonical text6ff041d5c7191b6d2f0d0c06d7f8558e79110ea2938759a3d9215ee57fa54fff
Markdowncc91e164f1aa87912c8ba4d19316f9adae1012692ea1958d123d98de5030b811
PDF
Publication page5ce659e72943bbc2e4a9ab65193cbc9aefd6fc395a716d4ed2070e59b99978b7
Manifestab889025ead2a9091a128a3b812646bf9c473b530a0a802ebc945f1789969034

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
SignaturewfJ/7e1rzvo+CnHTrOtVne8Gjz2DrByHLhCQVlZZBezm3GG6z32T7X+CUV5cquJ/aVsrNnLZH69aig41DL4UAw==
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

2026-09-17T12:04:44.951525ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016531
observed 5ce659e72943bbc2e4a9ab65193cbc9a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:44.933494ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016531/manifest.json
observed ab889025ead2a9091a128a3b812646bf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:44.917034ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016531/publication.md
observed cc91e164f1aa87912c8ba4d19316f9ad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:44.898517ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016531/publication.txt
observed 6ff041d5c7191b6d2f0d0c06d7f8558e...
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

OT-CUSTODY-2026-W38OpenTechnical-Custody-2026-W38.tar.zst
f2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent