OpenTechnical

OT-2026-000018351

Publication integrity record

Three cup vacuum gripper, three zone face, six outlet manifold, three stage ejector, 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-2026-000018351) never changes.

Identity and time

Publication numberOT-2026-000018351 · never reused
Internal UUID01a0ae6e-b489-73ce-90f4-046117bc73b6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:45.971508Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018351
StatusPUBLIC

Content hashes

Canonical text838fa05bdde3ec6674a6c0cfaa5198aea55dabdcee293824b7228a897853e887
Markdown4a19318a9245eb36e3108f517dd7a9299bfb2505410fff231c807d757063ea69
PDF
Publication pageada0689a8a23666a68ca030b5b5c30f6908758fb84475e76b220c46d2a9cf8dd
Manifest254acbe6329fbac03d6822e662571cc985fbf811fd3d2eff518ae4f68564cd3c

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
SignatureLK7JUcUA8kYpltCy9Z040tGBR1lXxt5iBty7MnoS1XDqvXdRyboCMU6pVf9s0m50ZGMWT6oG+ZSjcB/VR+i6Cw==
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

2026-09-17T12:01:05.103079ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018351
observed ada0689a8a23666a68ca030b5b5c30f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:05.086340ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018351/manifest.json
observed 254acbe6329fbac03d6822e662571cc9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:05.071119ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018351/publication.md
observed 4a19318a9245eb36e3108f517dd7a929...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:05.054133ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018351/publication.txt
observed 838fa05bdde3ec6674a6c0cfaa5198ae...
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.