OpenTechnical

OT-2026-000098288

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, single stage ejector, supply line 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-2026-000098288) never changes.

Identity and time

Publication numberOT-2026-000098288 · never reused
Internal UUID01a0aea1-e964-70c9-8dc4-f1997aa751ff · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:10:41.837875Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000098288
StatusPUBLIC

Content hashes

Canonical textaaa233f613f2c454bd659a158d62cae43ca44e7e24f4c482dfecbf315fd35d77
Markdownd8c3ce40639f9c4a0f2c7c13279c96cbb06cadb1ce8bbee201d3bdb0a834f3f7
PDF
Publication page288739fba6eff730beddd809214f87105a81d27fb51645c1690fe6596238e2c6
Manifest43cdafebbeee4b5d66d4b616756d196033bf92c6a8608e533fd0eb7b07a30b98

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
Signaturewtn/pBBWyi6l5nSNHDEP+iW+8XWVA9Y3dozou8MXL0BvLWZ+uinW0porYqSXy/75ZOW3NJ0bH2UNhmzFEz0kDA==
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

2026-09-17T09:31:29.108329ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098288
observed 288739fba6eff730beddd809214f8710...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:31:29.089976ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098288/manifest.json
observed 43cdafebbeee4b5d66d4b616756d1960...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:31:29.071536ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098288/publication.md
observed d8c3ce40639f9c4a0f2c7c13279c96cb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:31:29.053947ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098288/publication.txt
observed aaa233f613f2c454bd659a158d62cae4...
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.