OpenTechnical

OT-2026-000017881

Publication integrity record

Six cup vacuum gripper, six outlet manifold, pump fed, supply line pressure sensor, pulsed blow-off before set-down, on a tool changer

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-2026-000017881) never changes.

Identity and time

Publication numberOT-2026-000017881 · never reused
Internal UUID01a0ae6e-96fb-755a-82d4-5c1d24f1b9d6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:38.350302Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017881
StatusPUBLIC

Content hashes

Canonical text16ef30c19e5f681f26a8a9d86a4a78f65abe397840b37142c6dca9a5a093102c
Markdown51017593d648b4f3e03700a4f7df31113cd386b14747205487dca03945c04b57
PDF
Publication page3e8efb520f8b4218c0d1ebb0ea0b30f6d4ec41d0c209194fd9120540c7063041
Manifest9f6af1dbdafeca997b2dd7f3a37cdbb9e6efd25666b4a6e45263092454021a92

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
SignatureubkyjJNS8ugrKxm8/86XIMPFGeahxziTXMyGKtuVwRDkRA1q7Y6bGaRCHrYAAcPQqd6u0EnhaBA97g0OaFpqCw==
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

2026-09-17T12:01:52.122948ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017881
observed 3e8efb520f8b4218c0d1ebb0ea0b30f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:52.107079ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017881/manifest.json
observed 9f6af1dbdafeca997b2dd7f3a37cdbb9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:52.092448ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017881/publication.md
observed 51017593d648b4f3e03700a4f7df3111...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:52.076127ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017881/publication.txt
observed 16ef30c19e5f681f26a8a9d86a4a78f6...
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.