OpenTechnical

OT-2026-000049074

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, two stage ejector, supply line pressure sensor, sustained blow-off after 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-2026-000049074) never changes.

Identity and time

Publication numberOT-2026-000049074 · never reused
Internal UUID01a0ae81-134d-7cba-8048-3015c10e4a24 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:49.967260Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049074
StatusPUBLIC

Content hashes

Canonical text7e845f5326da171b8723d9806fab5977605395226dd3f2c1ca0b7b27bccd24a8
Markdowndd0cb192b0f759a17afbdd4e40cf13b2dcd8b27bad90c72905334cbe5a1adefc
PDF
Publication page801bf507aabd08809e25fe710a90018340036f31e9bf062c00680648bb7399b5
Manifest7bb7fe1ad54c3597f03ecf56520832f6719eb9cb64868b22b357f44bcbfe5ad3

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
Signature3AIG19X0a6xaFFZVYUGmfSctA+GL5iT3BkMkQ+Fm3zUqOUKYwh6U1hMlcWMGCADxpjfwB+AMMYcTYvI1iT7sCQ==
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

2026-09-17T11:03:18.804851ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049074
observed 801bf507aabd08809e25fe710a900183...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:18.787003ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049074/manifest.json
observed 7bb7fe1ad54c3597f03ecf56520832f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:18.765039ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049074/publication.md
observed dd0cb192b0f759a17afbdd4e40cf13b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:18.746027ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049074/publication.txt
observed 7e845f5326da171b8723d9806fab5977...
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.