Pith Number

pith:SO54HL4B

pith:2013:SO54HL4BB6EGSZKPWP5KHPJHH4

not attested not anchored not stored refs pending

X-ray and Radio Follow-up Observations of High-Redshift Blazar Candidates in the Fermi-LAT Unassociated Source Population

J. Kataoka, K. Maeda, K. Niinuma, M. Honma, S. Inoue, T. Nakamori, T. Totani, Y. Inoue, Y. Takahashi

arxiv:1306.3552 v2 · 2013-06-15 · astro-ph.HE · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SO54HL4BB6EGSZKPWP5KHPJHH4}

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	2026-05-18T01:49:16.648120Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

93bbc3af810f8869654fb3faa3bd273f020f608d98bf7dbec2555b330689e3d1

Aliases

arxiv: 1306.3552 · arxiv_version: 1306.3552v2 · doi: 10.48550/arxiv.1306.3552 · pith_short_12: SO54HL4BB6EG · pith_short_16: SO54HL4BB6EGSZKP · pith_short_8: SO54HL4B

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/SO54HL4BB6EGSZKPWP5KHPJHH4 \
  | 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: 93bbc3af810f8869654fb3faa3bd273f020f608d98bf7dbec2555b330689e3d1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8ccaec287afcd2cf3ef816be13b57e2c0c419ba565f4fe17d5ac6deb4b281f61",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2013-06-15T07:22:54Z",
    "title_canon_sha256": "ccd6a20890962a413ab92bd510fdd5b02195944069daf89d26ee1121e978e00a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1306.3552",
    "kind": "arxiv",
    "version": 2
  }
}