OpenTechnical

OT-2026-000011620

Publication integrity record

Single cup vacuum gripper, single 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-2026-000011620) never changes.

Identity and time

Publication numberOT-2026-000011620 · never reused
Internal UUID01a0ae6d-193f-73fb-9e97-472d9763599a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:00.631271Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011620
StatusPUBLIC

Content hashes

Canonical text3e26351b7aad8104c98c1bbdc1b3511e17c82ef2bce09f70d010d64e86e14039
Markdownea479ca0f4094424272d581fc25bfc2c21e1229537d8326f27fda1871284cc76
PDF
Publication pageed85e1be8aa8dc91d535de24a4a31964bf6bedc2954f5a2f6625a0a7d4ede242
Manifest08cc49600081e6f64fb594335d643a104bb496c780960523b71097cd669da4c9

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
Signature5LxoHcjKGd3H2xTzufUU+t8Es2LIa0ScSgWpdbqj+LtlUaixUQm05anTn42l4KjTe/PMjNsvFbVhZ9c+N6XPAA==
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

2026-09-17T12:12:12.080977ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011620
observed ed85e1be8aa8dc91d535de24a4a31964...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:12.061958ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011620/manifest.json
observed 08cc49600081e6f64fb594335d643a10...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:12.044531ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011620/publication.md
observed ea479ca0f4094424272d581fc25bfc2c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:12.026061ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011620/publication.txt
observed 3e26351b7aad8104c98c1bbdc1b3511e...
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.