OpenTechnical

OT-2026-000043134

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, pump fed, 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-2026-000043134) never changes.

Identity and time

Publication numberOT-2026-000043134 · never reused
Internal UUID01a0ae7b-327a-722c-83ab-92f91f32c45b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:24.717423Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043134
StatusPUBLIC

Content hashes

Canonical text0ccb765bc85131f227da0ce091e55286627c3d152c4b10bd699f0402f71cf7d6
Markdowna86df97edec564fc70101aa12232ee5921e1571fb7e4dbaa8b5a7c0efbf72541
PDF
Publication pagedbbd4337dad68d2bcd7c624f5859f03dbe1b2a95a600f84c47e71861415f8226
Manifest3fab3bcdae90713a6bb253f30c369d0ac6bb139b57bcdd9180622fe0d8e9e358

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
SignatureH7QypqDeND1EgG7IR3+ZhaWZUJVYYFj69UISMpyPzOAS3ueyceP12/HWfAthnZoNx97McF2Ss+bV1hQah07HCQ==
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

2026-09-17T11:13:34.182725ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043134
observed dbbd4337dad68d2bcd7c624f5859f03d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:34.162654ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043134/manifest.json
observed 3fab3bcdae90713a6bb253f30c369d0a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:34.141682ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043134/publication.md
observed a86df97edec564fc70101aa12232ee59...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:34.120625ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043134/publication.txt
observed 0ccb765bc85131f227da0ce091e55286...
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.