OpenTechnical

OT-2026-000009898

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, plant vacuum fed, supply line pressure sensor, 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-2026-000009898) never changes.

Identity and time

Publication numberOT-2026-000009898 · never reused
Internal UUID01a0ae6b-cb78-7b4a-baa6-1ef5dc44443c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:35.184400Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009898
StatusPUBLIC

Content hashes

Canonical text42d773d9955d5ba056c03daec85fab64b86ff984de72f719f9c0ce01aeaa9920
Markdowncd49aca552fb177093c8639426d65f2b6beeeeb09aa73524802c214ca704a318
PDF
Publication pagef637a61a128359faef57f9c19ada2f9b0dce854a6221b269b4efac31d8633684
Manifestae4d203dc186f27e9446ff725a35f51dc41cd7ebfca1ede688d2971461601a01

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
SignatureS7wSu+XW2lmDROY7Gjz1WXFSNGWdTuEdiMHGXV21w2GUS31ROJ06InjA2tWrndNxNcJ7zlw6wL7rMlR9E+GyAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:15:54.665627ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009898
observed f637a61a128359faef57f9c19ada2f9b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:15:54.648373ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009898/manifest.json
observed ae4d203dc186f27e9446ff725a35f51d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:15:54.629093ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009898/publication.md
observed cd49aca552fb177093c8639426d65f2b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:15:54.609295ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009898/publication.txt
observed 42d773d9955d5ba056c03daec85fab64...
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.