OpenTechnical

OT-2026-000005130

Publication integrity record

Porous face vacuum gripper, three zone face, three stage ejector, contact triggered, closed cell

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-2026-000005130) never changes.

Identity and time

Publication numberOT-2026-000005130 · never reused
Internal UUID01a0a92e-cd60-7a48-a359-4dd35f712edc · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:46:51.875495Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005130
StatusPUBLIC

Content hashes

Canonical text4c63fa22d58c301409ea20758a65799008df7903825926262ea3edbb9d09f42c
Markdown0098f02b6d81e46b64d5eba7f06ae00cbed694ac83631eb4b33da95d3846f678
PDF
Publication page34ce1eb210a86b347875e52747b87785b6c19f7faa0f9b475738df22e18dcb8f
Manifesta975e673779d1764c5e9a501ef5fd7f56a49bca1f31f1536174a6d56f53aa31a

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
SignatureyOk19hbnKqhpQfetabtHm1YuKTm1mI/hgTmIQveo1Mr4APEZVyrCWHNHv3GJiEGVkMfxvk9xDYUYXJqEdnsdCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T07:47:02Z
batch OT-TS-2026-W38-010 · RFC 3161 token · inclusion proof
root e1b42dfa4cd0fb1e3e472afd2db961c2...

Independent retrieval

2026-09-16T07:50:12.190840ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005130
observed 34ce1eb210a86b347875e52747b87785...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:12.177934ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005130/manifest.json
observed a975e673779d1764c5e9a501ef5fd7f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:12.164807ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005130/publication.md
observed 0098f02b6d81e46b64d5eba7f06ae00c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:12.151124ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005130/publication.txt
observed 4c63fa22d58c301409ea20758a657990...
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.