OpenTechnical

OT-2026-000104388

Publication integrity record

Foam pad vacuum gripper, two zone face, two outlet manifold, plant vacuum fed, 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-2026-000104388) never changes.

Identity and time

Publication numberOT-2026-000104388 · never reused
Internal UUID01a0aea5-3421-7b42-bf90-cecd1a136f36 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:14:17.519068Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000104388
StatusPUBLIC

Content hashes

Canonical texte67498887322c391caf7a3357560290da6ef1a5aa990cf37043cb15e94466b66
Markdown6d5c741e32af1b5c24b84d0f3110926e4b8e2117b42980f61e540a65963ee740
PDF
Publication page80076a0bcb2e1cf2b1d1b66d490649b39c82d2f9dab31652d9dd387083d4be25
Manifest32fbd4635a8aceeccdc33da5c2033c85861a5599ae0bbca3f16d42d4c66a866e

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
SignaturefMpDg1WD7xaSKv+cEsIFMGbF+EAfm5ft512xqS0+b7Hb1WUT3YFHJNTiOJOUmF+EDtq9lRWTYLAMJQN2pluQAQ==
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

2026-09-17T09:21:39.246960ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104388
observed 80076a0bcb2e1cf2b1d1b66d490649b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:39.229443ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104388/manifest.json
observed 32fbd4635a8aceeccdc33da5c2033c85...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:39.212475ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104388/publication.md
observed 6d5c741e32af1b5c24b84d0f3110926e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:39.194061ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104388/publication.txt
observed e67498887322c391caf7a3357560290d...
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.