OpenTechnical

OT-2026-000102987

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, two 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-2026-000102987) never changes.

Identity and time

Publication numberOT-2026-000102987 · never reused
Internal UUID01a0aea4-be3d-7dfe-bccf-349b55aad476 · 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-2026-000102987
StatusPUBLIC

Content hashes

Canonical text4d151f59fceaf9ec67c29f965637c45181074cbe14e17ad899cb72af7eb32538
Markdown450c82a1c23db26984d13ebb1fc1abb994b0b0f99002be7dbd568795d4671ab8
PDF
Publication pagecd8e13fe78f291efe1081ea0cf46f29cdf6dce4869f6f4d996a314ee69287d3d
Manifestfd97639529214ec037ac790b298d26ac93c01476a8743e51900c0ad53dce2d8e

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
SignatureFR8fgn58Ti6YVDWykBk3gY7G5oJrNHr4x2LXgLXHZRTyGQHIb9j35dnGgq/OEZMQScvVLRFjdUh51du7RmzKBQ==
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

2026-09-17T09:23:06.010565ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102987
observed cd8e13fe78f291efe1081ea0cf46f29c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:05.992475ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102987/manifest.json
observed fd97639529214ec037ac790b298d26ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:05.972928ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102987/publication.md
observed 450c82a1c23db26984d13ebb1fc1abb9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:05.956510ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102987/publication.txt
observed 4d151f59fceaf9ec67c29f965637c451...
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.