OpenTechnical

OT-2026-000059953

Publication integrity record

Four cup vacuum gripper, four outlet manifold, plant vacuum fed, vented 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-2026-000059953) never changes.

Identity and time

Publication numberOT-2026-000059953 · never reused
Internal UUID01a0ae89-ec26-74fd-a908-3a7c46628f00 · 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-2026-000059953
StatusPUBLIC

Content hashes

Canonical text2dd0790a6f61b8a9f0e00261f42fd18a82109ea0bb4da1f717beb304681cec35
Markdown6405f68574a8f54057e6590fb3fcc22e381077ee94f304c6efb28d4250b11ae2
PDF
Publication pagedabd348f36f78b834bd9b2c8f6881e9941418f916a0c467e5ed68b84aa16a486
Manifestb92fc6d651fec14433c698655b734133a9d7e72badc9bbaf043a646f4f93a884

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
SignaturevnEoyPDthBpEQBy6ZXpDC53SlLTLSNNxNeR+g6teFnLe4y5XAzDIFyt+7Nb3PixJBdd9BxczvD11m56JdHHSAg==
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

2026-09-17T10:44:44.050753ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059953
observed dabd348f36f78b834bd9b2c8f6881e99...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:44.031597ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059953/manifest.json
observed b92fc6d651fec14433c698655b734133...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:44.013851ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059953/publication.md
observed 6405f68574a8f54057e6590fb3fcc22e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:43.994622ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059953/publication.txt
observed 2dd0790a6f61b8a9f0e00261f42fd18a...
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.