OpenTechnical

OT-2026-000099883

Publication integrity record

Four bellows cup vacuum gripper, four zone face, three stage ejector, pressure sensor per zone, sustained 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-2026-000099883) never changes.

Identity and time

Publication numberOT-2026-000099883 · never reused
Internal UUID01a0aea3-1473-7b5b-8cc2-e81615a1b224 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:58.336218Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099883
StatusPUBLIC

Content hashes

Canonical text8f3185a3e819a9b9dd7bd27008f0e631b60d24f262201c67dbab23cae7682d60
Markdown48a2205790fe018b272e3f98602856a78238f9aa867a53ab99000406a606612a
PDF
Publication pagedbfe61af3b6e97123d10666febe810b66f2edf77a049b622e2f3d816092861e5
Manifest0c2de5ea6ee491b7dcf3cd9e3d5a04d58c1703e966ef8e7a0e7a7c496a694c68

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
Signature7f2OQYgKpViYh+ycSSOMh+DhWDak+0DKticcpDl60aKZf6+gt1rkAVZBSGvsjAyJhslksoE+AuyEwakgw2/vBA==
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

2026-09-17T09:30:30.733885ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099883
observed dbfe61af3b6e97123d10666febe810b6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:30.715322ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099883/manifest.json
observed 0c2de5ea6ee491b7dcf3cd9e3d5a04d5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:30.697506ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099883/publication.md
observed 48a2205790fe018b272e3f98602856a7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:30.680692ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099883/publication.txt
observed 8f3185a3e819a9b9dd7bd27008f0e631...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:46.444579ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099883
observed dbfe61af3b6e97123d10666febe810b6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:46.424324ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099883/manifest.json
observed 0c2de5ea6ee491b7dcf3cd9e3d5a04d5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:46.404485ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099883/publication.md
observed 48a2205790fe018b272e3f98602856a7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:46.383534ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099883/publication.txt
observed 8f3185a3e819a9b9dd7bd27008f0e631...
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.