OpenTechnical

OT-2026-000012933

Publication integrity record

Single cup vacuum gripper, common isolation valve, three stage ejector, 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-2026-000012933) never changes.

Identity and time

Publication numberOT-2026-000012933 · never reused
Internal UUID01a0ae6d-5564-7105-b680-1231ba0320f5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:16.019734Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012933
StatusPUBLIC

Content hashes

Canonical texta956bfb55ea40c7169331b5c61ef6cfa8819e88ae9d65453ddeb8bf5c3b9b05e
Markdownff5d8ee71f68adcc2ea0e1ce3216f983d940145080474a99f3d9d6e86889215d
PDF
Publication page33ab7b3b1d4ac9a40a36dfd0a7f823ff5cca5637119dcc77780cc986f8963e0e
Manifest52ed28055f221b925c371e45df74f408296d2f682077989c72043279439bb0c8

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
SignatureYWvt92R2B1vwBk5U05Lep+tjIwiZQzvT+WtNw9t+QUtwV0mF09r2Fp4BnkAsb6dq9EPBDQozwT5n7KvJHQi3Aw==
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

2026-09-17T12:10:44.000191ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012933
observed 33ab7b3b1d4ac9a40a36dfd0a7f823ff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:43.982893ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012933/manifest.json
observed 52ed28055f221b925c371e45df74f408...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:43.962922ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012933/publication.md
observed ff5d8ee71f68adcc2ea0e1ce3216f983...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:43.942617ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012933/publication.txt
observed a956bfb55ea40c7169331b5c61ef6cfa...
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.