OpenTechnical

OT-2026-000012516

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, pump fed, pulsed 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-2026-000012516) never changes.

Identity and time

Publication numberOT-2026-000012516 · never reused
Internal UUID01a0ae6d-39f7-74bd-857d-fa66406c3f9c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:08.998406Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012516
StatusPUBLIC

Content hashes

Canonical text988e0eef61abcde451d39790d97ab322e4494235870ab9106667f75f567f1f22
Markdownceb9a6532a3ac8333c29856578a22de8c3d130674e24f630683c1b1699337933
PDF
Publication page51eb1386c6859be9228d02b4bbfb75af2286f6bad6588035557fa95273c1e80e
Manifest7acfd9add84760ec8c1d456284f20742216012adf65640722058f3cf36048a98

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
SignatureqLUYlmjs/9pFMlkIJUFzR8aPAjvXUlR1ItbCj7MYz1QHR1t1C1gwDFqyL9irjuwk0eDxCaxOF7MfsM+TS1TbDw==
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

2026-09-17T12:12:02.363792ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012516
observed 51eb1386c6859be9228d02b4bbfb75af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:02.345288ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012516/manifest.json
observed 7acfd9add84760ec8c1d456284f20742...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:02.326610ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012516/publication.md
observed ceb9a6532a3ac8333c29856578a22de8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:02.309227ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012516/publication.txt
observed 988e0eef61abcde451d39790d97ab322...
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.