OpenTechnical

OT-2026-000048498

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, pump fed, manifold pressure sensor, sustained 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-2026-000048498) never changes.

Identity and time

Publication numberOT-2026-000048498 · never reused
Internal UUID01a0ae80-4de5-7b58-a1eb-c91bef798699 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:59.290761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048498
StatusPUBLIC

Content hashes

Canonical text9e0ef836d06f14f0571f770621de349d154fd5de136222f3f6d242b6e353febe
Markdown3274fb5b67a931f33b2b6de0e2a856d8b4c6e113f0179117a2a34c346f85d0ba
PDF
Publication page0425fba1bd7187c5295619cf92367070ae87629efc4e2a1173f6da0f38f326c5
Manifestfe412f707171ddc0f6d47ff9799beaa399935da0e888d4923ac6b3acc752313b

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
SignaturegWfuWtUUFiQdQjdikOmtWL+4YaIJGoFfzFA95Dxw4SqjB9pc6zWc6xavJH1djpnTLwFQL5lag3Euu/taW2UjCg==
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

2026-09-17T11:05:10.237336ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048498
observed 0425fba1bd7187c5295619cf92367070...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:10.220429ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048498/manifest.json
observed fe412f707171ddc0f6d47ff9799beaa3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:10.202526ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048498/publication.md
observed 3274fb5b67a931f33b2b6de0e2a856d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:10.182415ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048498/publication.txt
observed 9e0ef836d06f14f0571f770621de349d...
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.