OpenTechnical

OT-2026-000015627

Publication integrity record

Foam pad vacuum gripper, two zone face, two outlet manifold, plant vacuum fed, 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-2026-000015627) never changes.

Identity and time

Publication numberOT-2026-000015627 · never reused
Internal UUID01a0ae6e-0c4b-7e09-8eed-485587d9a3f1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:02.846253Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015627
StatusPUBLIC

Content hashes

Canonical text6d04f123c91a9c453d6f358d140ca28cf0068e4b1002d7bb62489bcf3436b17b
Markdown1906363b1aaa988611c603242c31fbcf4f1df7b6f23c85c1b6b054b68b7f7bf2
PDF
Publication page0c4dea679d1ad29035b69558c8c31778f6e959bf503d2f166d703a8d89193c2f
Manifest8e75d53b77ec213d3a4941fe741acdcd6af980c13c3405dd5285685f9637fad4

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
SignaturempT3rWxFkS679c8Uf2KBakFbptxWyK7xjK3Mp2SHUiHzUzwcIJh7GN24FgdIH4NzIvM9Z1uskATtmpGmrpxeCw==
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

2026-09-17T12:04:52.675989ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015627
observed 0c4dea679d1ad29035b69558c8c31778...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:52.658159ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015627/manifest.json
observed 8e75d53b77ec213d3a4941fe741acdcd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:52.641344ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015627/publication.md
observed 1906363b1aaa988611c603242c31fbcf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:52.623297ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015627/publication.txt
observed 6d04f123c91a9c453d6f358d140ca28c...
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.