OpenTechnical

OT-2026-000047007

Publication integrity record

Foam pad vacuum gripper, four zone face, per zone isolation, single stage ejector, pressure sensor per zone, 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-2026-000047007) never changes.

Identity and time

Publication numberOT-2026-000047007 · never reused
Internal UUID01a0ae7e-d0f7-71a8-b750-aec53eda8956 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:32:21.770727Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047007
StatusPUBLIC

Content hashes

Canonical text8dc68fa6595b04904c9ec5856d54dfb42ebe0b32389d033142e331c92c410556
Markdown3b824f6edfa24be26f65d95a80847a4375459b2186e23ca54068f1c6d182b038
PDF
Publication page4411f9fddd3ec45296a94356a9eff216d6daaec2295c4348a5830b707ce35692
Manifest562e90a6ac8662f3a8b0da97f01d3aa5588f915286a88390cb2aaf1d0a9e6c08

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
SignatureJZxjc83/5JdbHGbxaLdabnxDxQefqmQdUyO5uJieF3snF6oSMF18GPlqPrwR+QDyLT6xF7JBa7D8o4b+uWr7Dg==
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

2026-09-17T11:10:17.057005ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047007
observed 4411f9fddd3ec45296a94356a9eff216...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:17.039076ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047007/manifest.json
observed 562e90a6ac8662f3a8b0da97f01d3aa5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:17.021326ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047007/publication.md
observed 3b824f6edfa24be26f65d95a80847a43...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:17.002039ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047007/publication.txt
observed 8dc68fa6595b04904c9ec5856d54dfb4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:07:45.671993ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047007
observed 4411f9fddd3ec45296a94356a9eff216...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:07:45.652333ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047007/manifest.json
observed 562e90a6ac8662f3a8b0da97f01d3aa5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:07:45.633854ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047007/publication.md
observed 3b824f6edfa24be26f65d95a80847a43...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:07:45.607726ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047007/publication.txt
observed 8dc68fa6595b04904c9ec5856d54dfb4...
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.