Pith Number

pith:2S5FOU7U

pith:2009:2S5FOU7UA7NZLPLD3CUWMLTMLQ

not attested not anchored not stored refs pending

External forward shock origin of high energy emission for three GRBs detected by Fermi

Pawan Kumar, Rodolfo Barniol Duran

arxiv:0910.5726 v2 · 2009-10-29 · 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{2S5FOU7UA7NZLPLD3CUWMLTMLQ}

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	2026-05-18T04:33:39.887576Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d4ba5753f407db95bd63d8a9662e6c5c2ff5088ad363056a7e9b23db2eea4f75

Aliases

arxiv: 0910.5726 · arxiv_version: 0910.5726v2 · doi: 10.48550/arxiv.0910.5726 · pith_short_12: 2S5FOU7UA7NZ · pith_short_16: 2S5FOU7UA7NZLPLD · pith_short_8: 2S5FOU7U

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/2S5FOU7UA7NZLPLD3CUWMLTMLQ \
  | 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: d4ba5753f407db95bd63d8a9662e6c5c2ff5088ad363056a7e9b23db2eea4f75

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f71f90f1162dd23672d7390036d7460de787e37511d5daf9247b050f90a84c07",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2009-10-29T23:54:46Z",
    "title_canon_sha256": "59f1799ebb80a3a8021f2e2f5b2a835c2cd0630acf06082c74d96151554b9955"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0910.5726",
    "kind": "arxiv",
    "version": 2
  }
}