OpenTechnical

OT-2026-000059224

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum 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-2026-000059224) never changes.

Identity and time

Publication numberOT-2026-000059224 · never reused
Internal UUID01a0ae89-8613-75f5-97e8-c5b11e7e09f7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:03.500379Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000059224
StatusPUBLIC

Content hashes

Canonical text49ea1612ed690adddcbaa9bb92b891b0b2bff78389a3ad4236a395f6145ba469
Markdown01d08141cd73308a8bd68735bf28ea3536d85053f6fa804cc950e5999281b084
PDF
Publication page27b5d5f2129b977ef05bdd56b6c3e9d38a8d3956709854b3622bc79dcd248cf4
Manifest43c4243f2dec177025ac5c5a6da01115efc54fc35a4cb23ebc3b279833728ff2

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
SignatureQC1lDr8QgzuAbvZ9Qrcvvvge9XsAk6nAV/RlnwYSEM+BS5T5QZvaxEJkLT/AptPn8TZgc/UZL/RnlVyVBqf2Cg==
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

2026-09-17T10:45:45.421049ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059224
observed 27b5d5f2129b977ef05bdd56b6c3e9d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:45:45.403756ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059224/manifest.json
observed 43c4243f2dec177025ac5c5a6da01115...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:45:45.385459ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059224/publication.md
observed 01d08141cd73308a8bd68735bf28ea35...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:45:45.366750ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059224/publication.txt
observed 49ea1612ed690adddcbaa9bb92b891b0...
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.