Pith Number

pith:O6E2F7FK

pith:2017:O6E2F7FK4J355HHPY2H4MBABLV

not attested not anchored not stored refs pending

Evaluating Optical Classification for {\em Fermi} Blazar Candidates with a Statistical method using Broadband Spectral Indices

En-Wei Liang, Jin Zhang, Rui Huang, Rui-Jing Lu, Ting-Feng Yi

arxiv:1702.08604 v1 · 2017-02-28 · 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{O6E2F7FK4J355HHPY2H4MBABLV}

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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	2026-05-18T00:47:45.612399Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7789a2fcaae277de9cefc68fc604015d7c3995fda67422d87f0dd68a884412a7

Aliases

arxiv: 1702.08604 · arxiv_version: 1702.08604v1 · doi: 10.48550/arxiv.1702.08604 · pith_short_12: O6E2F7FK4J35 · pith_short_16: O6E2F7FK4J355HHP · pith_short_8: O6E2F7FK

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/O6E2F7FK4J355HHPY2H4MBABLV \
  | 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: 7789a2fcaae277de9cefc68fc604015d7c3995fda67422d87f0dd68a884412a7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5dbb7252f8a2880a4a88ab37bf8ea56b69d4dcc45dc55450f1a4884b470b7c95",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2017-02-28T02:07:40Z",
    "title_canon_sha256": "71421fc000a9736d18c68833cec026caa89506c7dc79e1269f97dbbdbbe5bce7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1702.08604",
    "kind": "arxiv",
    "version": 1
  }
}