Pith Number

pith:AXBBSWBO

pith:2021:AXBBSWBO4HZTA2AVP3GPHUHC4Q

not attested not anchored not stored refs pending

On the origin of GeV spectral break for Fermi blazars: 3C 454.3

Liang Chen, Qingwen Wu, Shi-Ju Kang, Yong-Gang Zheng, Yue Yin

arxiv:2102.08962 v1 · 2021-02-17 · 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{AXBBSWBO4HZTA2AVP3GPHUHC4Q}

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	2026-07-05T02:19:46.718467Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

05c219582ee1f33068157eccf3d0e2e41f41a6ff84a8dd5744fd8dfb2f370892

Aliases

arxiv: 2102.08962 · arxiv_version: 2102.08962v1 · doi: 10.48550/arxiv.2102.08962 · pith_short_12: AXBBSWBO4HZT · pith_short_16: AXBBSWBO4HZTA2AV · pith_short_8: AXBBSWBO

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/AXBBSWBO4HZTA2AVP3GPHUHC4Q \
  | 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: 05c219582ee1f33068157eccf3d0e2e41f41a6ff84a8dd5744fd8dfb2f370892

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "170eced01137cbd7212eb44753f4b030f8fb9699b576b8040af4e25c729c9c43",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2021-02-17T19:00:02Z",
    "title_canon_sha256": "981794d8f3faea6b3a20977bcd21d61080c0843c2d6c90fa8eefdf69f49a32b0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2102.08962",
    "kind": "arxiv",
    "version": 1
  }
}