OpenTechnical

OT-2026-000043157

Publication integrity record

Four cup vacuum gripper, four outlet manifold, single stage ejector, 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-2026-000043157) never changes.

Identity and time

Publication numberOT-2026-000043157 · never reused
Internal UUID01a0ae7b-327a-77d0-b2c7-f3d0beb52140 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:24.717423Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043157
StatusPUBLIC

Content hashes

Canonical texte8dee958073e8149d7db4e5b8e24d12e1375f30f392ddab1c8c703782dff092b
Markdown1d8040afb3398e53e71cb8c6cc6e419503f9f76e65d9c6be73d922805c383c48
PDF
Publication page8cc28d65ccc9d3c2293abbb26a228c8b573cc16524305f22357577990a07fb59
Manifest4622d2cecca137fb410e16e78584a1b695c95175ec981e0fc768f58b7c989657

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
Signature/oFB38mO928zJmN35DcaSQ88uI0bQxjYs7+Gk5exo0D30O/VHv9I6D+CCFff/qiEDRf4JBOcyKoy+EB0N3n6BA==
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

2026-09-17T11:13:35.987568ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043157
observed 8cc28d65ccc9d3c2293abbb26a228c8b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:35.969966ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043157/manifest.json
observed 4622d2cecca137fb410e16e78584a1b6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:35.950957ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043157/publication.md
observed 1d8040afb3398e53e71cb8c6cc6e4195...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:35.934012ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043157/publication.txt
observed e8dee958073e8149d7db4e5b8e24d12e...
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.