OpenTechnical

OT-2026-000043810

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, pump fed, 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-2026-000043810) never changes.

Identity and time

Publication numberOT-2026-000043810 · never reused
Internal UUID01a0ae7b-d676-7a14-ab08-18bc2f4cc9e0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:06.584190Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043810
StatusPUBLIC

Content hashes

Canonical textd4a69387b1d27c4ce4a4ca0ec14132b298c43ac43844c445fb23ebb999071f09
Markdown3fc94f5c2420f01588a9506c25a8cafbca120489914abde7522962859ad1dc77
PDF
Publication page356a075775cec08647601d485c155f1df0764a87195a33440902e15ec6e72c90
Manifest572132a7294361aaea918f3126efed4e0feb1efd4941cc25292ecb52801572b3

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
SignatureTdRlJZ2ZLafX99XPXX5NeDvS5kT3FBElTVertHTpNFNlBbpUvoG+ygdtOfw0sU6BemR964q5lJmqLRjltFsqDA==
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

2026-09-17T11:12:06.914891ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043810
observed 356a075775cec08647601d485c155f1d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:06.896738ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043810/manifest.json
observed 572132a7294361aaea918f3126efed4e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:06.879436ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043810/publication.md
observed 3fc94f5c2420f01588a9506c25a8cafb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:06.858697ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043810/publication.txt
observed d4a69387b1d27c4ce4a4ca0ec14132b2...
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.