OpenTechnical

OT-2026-000013175

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, 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-2026-000013175) never changes.

Identity and time

Publication numberOT-2026-000013175 · never reused
Internal UUID01a0ae6d-6fc8-79f6-bb62-17d26032f849 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:22.837188Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013175
StatusPUBLIC

Content hashes

Canonical text99a8e917a9b2ecc417e8733844ae841f2336b09fc295e531e6d934829679ca8d
Markdown200af4e94524b071daf6c2b25b7781a5d3c865305b70b3ed1e3e6b7d9c2f2cb5
PDF
Publication page97d45570c06b8211c28ef16e22543a8e2c2c9336e200cbf15fa68016abd6d584
Manifestd5c71328b66949d13922c4dec7432b6d02022fe715c2f05c8d78b8c54acb139a

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
Signature0E/X5eUdQfdh0Z1gPIpLunWkWOHrRzl62kqh1aOMl4ycOUZ+SwF8T/nNFiIzYmvxGaokB/B5NULvYb7fKubnDQ==
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

2026-09-17T12:09:33.158303ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013175
observed 97d45570c06b8211c28ef16e22543a8e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:33.140061ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013175/manifest.json
observed d5c71328b66949d13922c4dec7432b6d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:33.119849ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013175/publication.md
observed 200af4e94524b071daf6c2b25b7781a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:33.101285ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013175/publication.txt
observed 99a8e917a9b2ecc417e8733844ae841f...
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.