Pith Number

pith:6OGSFLCH

pith:2013:6OGSFLCH67VSAFGFQ2APPS3ZWI

not attested not anchored not stored refs pending

Discovery of an extra hard spectral component in the high-energy afterglow emission of GRB 130427A

MPIK), Pak-Hin Thomas Tam (NTHU), PMO), Qing-Wen Tang (NJU), Ruo-Yu Liu (NJU, Shujing Hou (Xiamen Univ, Xiang-Yu Wang (NJU)

arxiv:1305.3217 v2 · 2013-05-14 · 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{6OGSFLCH67VSAFGFQ2APPS3ZWI}

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	2026-05-18T03:20:22.236617Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f38d22ac47f7eb2014c58680f7cb79b2351341f74e9e9025d7dfdda64e667af3

Aliases

arxiv: 1305.3217 · arxiv_version: 1305.3217v2 · doi: 10.48550/arxiv.1305.3217 · pith_short_12: 6OGSFLCH67VS · pith_short_16: 6OGSFLCH67VSAFGF · pith_short_8: 6OGSFLCH

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/6OGSFLCH67VSAFGFQ2APPS3ZWI \
  | 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: f38d22ac47f7eb2014c58680f7cb79b2351341f74e9e9025d7dfdda64e667af3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "39140fb05b778c2d49281c8edf48996f1dab5d46a08ee28a2dcbed9bf6260222",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2013-05-14T17:27:12Z",
    "title_canon_sha256": "2c6d076c2ee54acc4c6e1a63d5b934cdfd0e05a92202144d742afd6cf1499a95"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1305.3217",
    "kind": "arxiv",
    "version": 2
  }
}