OpenTechnical

OT-2026-000102970

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, single stage ejector, pulsed blow-off after set-down, on a tool changer

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-2026-000102970) never changes.

Identity and time

Publication numberOT-2026-000102970 · never reused
Internal UUID01a0aea4-be3c-7656-b28f-ffef2361073d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:47.343354Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102970
StatusPUBLIC

Content hashes

Canonical textfd9a9e978dc86ce105f5633b780e996c3f17deb9eeae9264259fa5ee02a66f69
Markdown9af8c1b1f33d67f5ad45c626ba4441f4eeb77e1c1e351856d69700e1f6080cd8
PDF
Publication page3d7ba9c2285b5b01f2d1704a9f23ed6a9e1e0b1e3703a19b88af88f96fe72014
Manifestdcb6d59aaee266a3efd62f9262541a5397e0a3a1ddd512bc95ee773d0d496214

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
SignatureeJBuWO6FBAwN0Li8CuPiOpMdfOarlblHczrJpXVUpr0jMPRzutF44wLWdWBpngJI0CEkRdXVE0KGs62H3JPHBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:23:04.830969ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102970
observed 3d7ba9c2285b5b01f2d1704a9f23ed6a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:04.813724ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102970/manifest.json
observed dcb6d59aaee266a3efd62f9262541a53...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:04.796267ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102970/publication.md
observed 9af8c1b1f33d67f5ad45c626ba4441f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:04.778008ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102970/publication.txt
observed fd9a9e978dc86ce105f5633b780e996c...
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.