Pith Number

pith:2DK4YSBA

pith:2012:2DK4YSBAHUOXSSNLIHLL56YLLW

not attested not anchored not stored refs pending

Extragalactic Background Light from Hierarchical Galaxy Formation: Gamma-ray Attenuation up to the Epoch of Cosmic Reionization and the First Stars

Masakazu A. R. Kobayashi (Ehime), Ryu Makiya (Kyoto), Susumu Inoue (MPIK/ICRR), Tomonori Totani (Kyoto), Yoshiyuki Inoue (KIPAC/SLAC/Stanford), Yuu Niino (NAOJ)

arxiv:1212.1683 v2 · 2012-12-07 · astro-ph.CO · 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{2DK4YSBAHUOXSSNLIHLL56YLLW}

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.

Cited by

1 paper in Pith

Multi-TeV flaring in nearby High Energy Blazars: A photohadronic scenario

Receipt and verification

First computed	2026-05-18T01:52:46.404974Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d0d5cc48203d1d7949ab41d6befb0b5d86fda39407b96cd8660df866d181c7c6

Aliases

arxiv: 1212.1683 · arxiv_version: 1212.1683v2 · doi: 10.48550/arxiv.1212.1683 · pith_short_12: 2DK4YSBAHUOX · pith_short_16: 2DK4YSBAHUOXSSNL · pith_short_8: 2DK4YSBA

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/2DK4YSBAHUOXSSNLIHLL56YLLW \
  | 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: d0d5cc48203d1d7949ab41d6befb0b5d86fda39407b96cd8660df866d181c7c6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ba99f3c590617c956bb51c9305f1e9c50a4e01a867a6c33d4243a60f41cc02cd",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-12-07T19:03:53Z",
    "title_canon_sha256": "e2c4aeed523b83159802c7d57405dd921f804a40bfc2170efd26bbeeb6aa75b1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1212.1683",
    "kind": "arxiv",
    "version": 2
  }
}