OpenTechnical

OT-2026-000098896

Publication integrity record

Foam pad vacuum gripper, two zone face, three outlet manifold, pump fed, manifold pressure sensor, sustained blow-off before 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-2026-000098896) never changes.

Identity and time

Publication numberOT-2026-000098896 · never reused
Internal UUID01a0aea2-8286-7d7a-8f51-1c4b62d7f2ad · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:20.980080Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000098896
StatusPUBLIC

Content hashes

Canonical text8bee6e2b2ea5f752c91eac7ff35ea9b967ac8505e2842a3ced7b3b08409fdc3c
Markdown15a9d04749c14184b674370840649e7e88173ca0c85c17d0e841903dc7ddad43
PDF
Publication pagef4b5660602e825c4ee6f815daa8aa688d902cdd4b37f253fee7c7ad416d3eb83
Manifestc190e07bcef1ea25fe381f8e5afb2cfe942cda9b76ff045939ab06243e910c5c

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
Signature2t1VE9TlO/m2OFExh5Z0GlvxM9v4S4LBnNkYDEEY1Q/ipudp8jEL9HWdagCMRxaUuuTFFEhlf1O0qDdsmIu9AA==
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

2026-09-17T09:29:57.141694ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098896
observed f4b5660602e825c4ee6f815daa8aa688...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:57.123721ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098896/manifest.json
observed c190e07bcef1ea25fe381f8e5afb2cfe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:57.105498ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098896/publication.md
observed 15a9d04749c14184b674370840649e7e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:57.087718ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098896/publication.txt
observed 8bee6e2b2ea5f752c91eac7ff35ea9b9...
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.