Pith Number

pith:CS2ENRTM

pith:2005:CS2ENRTMWDX7GJWM2543VESR6S

not attested not anchored not stored refs pending

A low level of extragalactic background light as revealed by gamma-rays from blazars

et al, H.E.S.S. Collaboration : F. Aharonian

arxiv:astro-ph/0508073 v2 · 2005-08-02 · astro-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{CS2ENRTMWDX7GJWM2543VESR6S}

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	2026-05-18T03:47:43.409922Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

14b446c66cb0eff326ccd779ba9251f482d270903accc0113ffd7e1fbe683458

Aliases

arxiv: astro-ph/0508073 · arxiv_version: astro-ph/0508073v2 · doi: 10.48550/arxiv.astro-ph/0508073 · pith_short_12: CS2ENRTMWDX7 · pith_short_16: CS2ENRTMWDX7GJWM · pith_short_8: CS2ENRTM

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/CS2ENRTMWDX7GJWM2543VESR6S \
  | 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: 14b446c66cb0eff326ccd779ba9251f482d270903accc0113ffd7e1fbe683458

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "20b564a02fc441787b33430d371cc37caa3d01a01144af4dd8494031785bc7c3",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2005-08-02T18:01:57Z",
    "title_canon_sha256": "1f9b6b6d2372179dd0220197fe5e7d2ecad1c6d447983faf856516888724bc7d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0508073",
    "kind": "arxiv",
    "version": 2
  }
}