OpenTechnical

OT-2026-000043174

Publication integrity record

Foam pad vacuum gripper, two 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-2026-000043174) never changes.

Identity and time

Publication numberOT-2026-000043174 · never reused
Internal UUID01a0ae7b-327c-747f-842d-06c9e6332049 · 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-2026-000043174
StatusPUBLIC

Content hashes

Canonical text6ce6c6ee05f95e32114f72d2d5fd146605223c9ab2e9e3dae39b1d99bb0557c3
Markdowna85eec17cc2c3fdbeb7810277b04dc689a250739df109d74769bcf65b192301a
PDF
Publication pageb9cabbadb93cdc87aec7000101216a43e374656780760880a7f86cf02c2bc8c5
Manifest457cf029be712d0c755262d408e969d382359e3e830a8986e32e1c23d0910349

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
Signaturem2nb0DXRQF+48ZsIgUUDic0GxNAMdc6iZ48WCJluoBKJo7U+AJjGjVGM5VDXx9I7D28faCoysRv8FuIdK0C0DQ==
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

2026-09-17T11:13:37.386165ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043174
observed b9cabbadb93cdc87aec7000101216a43...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:37.368130ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043174/manifest.json
observed 457cf029be712d0c755262d408e969d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:37.351107ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043174/publication.md
observed a85eec17cc2c3fdbeb7810277b04dc68...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:37.333417ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043174/publication.txt
observed 6ce6c6ee05f95e32114f72d2d5fd1466...
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.