OpenTechnical

OT-2026-000025640

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, single stage ejector, manifold pressure sensor, 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-2026-000025640) never changes.

Identity and time

Publication numberOT-2026-000025640 · never reused
Internal UUID01a0ae71-9bc9-7013-b87d-7e5eb4c40067 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:56.183170Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025640
StatusPUBLIC

Content hashes

Canonical textd0c002b83832ff103ed5e37a069e1067f42d0af3bcfc235fcfde26c0baef2a09
Markdowne68a30f48badba4d2a54dd8231d7b548f3df6d4a1e95497b3f1f4f68a2ec494f
PDF
Publication page17ab825a8cc63de5c305391be7ac1f028ad2a46229474fcb43cc4f50df91253c
Manifest977b34c82e99c373727517ecbe8da4d4464b0d9260e759eab424885b20ec2a05

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
SignatureVzIdc7iaq17yUvVNO7tg0EIuvTlAupVoIZjRhYkydbkYarJR+dHiG/CQ+yJ52Al/rAdxbF7QfG1DxOu/C0PdAA==
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

2026-09-17T11:46:50.340827ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025640
observed 17ab825a8cc63de5c305391be7ac1f02...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:50.321612ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025640/manifest.json
observed 977b34c82e99c373727517ecbe8da4d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:50.302727ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025640/publication.md
observed e68a30f48badba4d2a54dd8231d7b548...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:50.278487ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025640/publication.txt
observed d0c002b83832ff103ed5e37a069e1067...
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.