Pith Number

pith:6YQOHGFG

pith:2015:6YQOHGFG5WX6FHSADZOYJZ2RV5

not attested not anchored not stored refs pending

Autoclassification of the Variable 3XMM Sources Using the Random Forest Machine Learning Algorithm

2), (2) CAASTRO, 3) ((1) University of Sydney, (3) University College London, Australia, Kitty K. Lo (2, Sean A. Farrell (1, Tara Murphy (1, UK)

arxiv:1509.03714 v1 · 2015-09-12 · astro-ph.IM · astro-ph.HE

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6YQOHGFG5WX6FHSADZOYJZ2RV5}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T01:33:14.760960Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f620e398a6edafe29e401e5d84e751af62ca0f9ec5a63f4b3fd07f3df903c9ca

Aliases

arxiv: 1509.03714 · arxiv_version: 1509.03714v1 · doi: 10.48550/arxiv.1509.03714 · pith_short_12: 6YQOHGFG5WX6 · pith_short_16: 6YQOHGFG5WX6FHSA · pith_short_8: 6YQOHGFG

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/6YQOHGFG5WX6FHSADZOYJZ2RV5 \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: f620e398a6edafe29e401e5d84e751af62ca0f9ec5a63f4b3fd07f3df903c9ca

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b1f07ec6b63651f4db9d31699486c672ac2b20f1bc06703779befd0356efe794",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2015-09-12T06:55:48Z",
    "title_canon_sha256": "bfed68ff22ce3294bc2ca6993cea3d8f5e59c1925be58ff2e1dd37beb73a9102"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.03714",
    "kind": "arxiv",
    "version": 1
  }
}