OpenTechnical

OT-2026-000059598

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, single stage ejector, manifold pressure sensor, vented 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-2026-000059598) never changes.

Identity and time

Publication numberOT-2026-000059598 · never reused
Internal UUID01a0ae89-ec24-70eb-9f0e-d80051a5ca76 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:29.732559Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000059598
StatusPUBLIC

Content hashes

Canonical text8c4c68728ea1ba13a19c4708dbb785e5fa5ffa657bcff9b571aaa8903cc0bf7e
Markdown489b821853f5216b06d24336b4db09009192ed6505213a21367216b625d3677a
PDF
Publication pagecd8f11dc9ae9ccd2dd42b6a94669a136c0b4141b7bb53d4e193bb95d713c70b0
Manifest6c59fe9a9f0e415beb66f9ac16aacfab2927ba3b4ca95b6a9e6d016cefa793cf

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
SignatureRbEiEwSMY35GKF40Vozef2xHEBna18mhnysUJK91TdWas2lsT6DsHqijl+uZf4jzs22oqGTfDQI7FpGhJfRsAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:44:15.028974ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059598
observed cd8f11dc9ae9ccd2dd42b6a94669a136...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:15.011983ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059598/manifest.json
observed 6c59fe9a9f0e415beb66f9ac16aacfab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:14.994791ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059598/publication.md
observed 489b821853f5216b06d24336b4db0900...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:14.977398ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059598/publication.txt
observed 8c4c68728ea1ba13a19c4708dbb785e5...
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.