OpenTechnical

OT-2026-000023518

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, sustained 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-2026-000023518) never changes.

Identity and time

Publication numberOT-2026-000023518 · never reused
Internal UUID01a0ae70-7269-7222-8d4c-e37643d565eb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:40.056870Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023518
StatusPUBLIC

Content hashes

Canonical text3aba769e82612477a10d2e5adcc60ecb7c5098b6195c2f129af2b1d69e2365cd
Markdown676a8dafa8aa6f05b2d28e60b91f98d948262d9ff71e225484f996fa87dc9070
PDF
Publication page9b7e98c2246a366681750b32b40c753b8ece343211016521dc8187432ce13aea
Manifest2faebfcbcceada1dd2a38e319fd6eceb734aff0f7d09b062c912c45d9c49036f

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
SignatureoqFWIEiRv8A+Dk4LqeseEk90v1elDxW7awo4bwgrd0UUTX/x3IIuYCUF5SXPBRGuXu7ZN4LVfLEMiHbfvWuBCA==
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

2026-09-17T11:51:45.481445ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023518
observed 9b7e98c2246a366681750b32b40c753b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:45.463224ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023518/manifest.json
observed 2faebfcbcceada1dd2a38e319fd6eceb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:45.445345ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023518/publication.md
observed 676a8dafa8aa6f05b2d28e60b91f98d9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:45.425493ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023518/publication.txt
observed 3aba769e82612477a10d2e5adcc60ecb...
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.