Pith Number

pith:GJLGV4K7

pith:2013:GJLGV4K7BX2KREMUXPC6GWH4VX

not attested not anchored not stored refs pending

Very-high-energy quasars hint at ALPs

Fabrizio Tavecchio, Giacomo Bonnoli, Giorgio Galanti, Marco Roncadelli

arxiv:1310.2829 v1 · 2013-10-10 · astro-ph.HE · astro-ph.CO · hep-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GJLGV4K7BX2KREMUXPC6GWH4VX}

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	2026-05-18T03:10:46.577711Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

32566af15f0df4a89194bbc5e358fcadc873cadd24a0f6bddfdc95cebb4552de

Aliases

arxiv: 1310.2829 · arxiv_version: 1310.2829v1 · doi: 10.48550/arxiv.1310.2829 · pith_short_12: GJLGV4K7BX2K · pith_short_16: GJLGV4K7BX2KREMU · pith_short_8: GJLGV4K7

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/GJLGV4K7BX2KREMUXPC6GWH4VX \
  | 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: 32566af15f0df4a89194bbc5e358fcadc873cadd24a0f6bddfdc95cebb4552de

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c984341d3a3c035dac99c367280ba7fc1f1c92ae4c923f40d601288883af1840",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "hep-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2013-10-10T14:21:59Z",
    "title_canon_sha256": "03f86cdbe914b93500192e73a4f7219bacb6fc20afe4bc151280f25b86cd0eba"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1310.2829",
    "kind": "arxiv",
    "version": 1
  }
}