Pith Number

pith:NR6DZZJM

pith:2009:NR6DZZJMNIHZCWMXSPTHYGVZ5W

not attested not anchored not stored refs pending

Modeling gamma-ray burst observations by Fermi and MAGIC including attenuation due to diffuse background light

Francisco Prada, Joel R. Primack, Rudy C. Gilmore

arxiv:0908.2830 v1 · 2009-08-19 · 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{NR6DZZJMNIHZCWMXSPTHYGVZ5W}

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	2026-05-18T02:12:24.928348Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6c7c3ce52c6a0f91599793e67c1ab9ed8d59d5f5b64efbc10c2056d620969f59

Aliases

arxiv: 0908.2830 · arxiv_version: 0908.2830v1 · doi: 10.48550/arxiv.0908.2830 · pith_short_12: NR6DZZJMNIHZ · pith_short_16: NR6DZZJMNIHZCWMX · pith_short_8: NR6DZZJM

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/NR6DZZJMNIHZCWMXSPTHYGVZ5W \
  | 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: 6c7c3ce52c6a0f91599793e67c1ab9ed8d59d5f5b64efbc10c2056d620969f59

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9f835c77d061c170492c9f3a2aeab0a94897b6b52186ba148629432ab6946a70",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-08-19T23:16:37Z",
    "title_canon_sha256": "108bb71cbc3f4bd383ee0db1ca61a891fad138cb4014eaec6e41e5cc7a3e8f07"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0908.2830",
    "kind": "arxiv",
    "version": 1
  }
}