pith. sign in
Pith Number

pith:HPL5XZ67

pith:2010:HPL5XZ67RMEGJZX5JYBMW7X46D
not attested not anchored not stored refs pending

GRB spectral parameters within the fireball model

Fedor A. Urtiev, Gregory D. Fleishman

arxiv:1005.0849 v1 · 2010-05-05 · astro-ph.CO

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{HPL5XZ67RMEGJZX5JYBMW7X46D}

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 2026-05-18T02:07:42.521218Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

3bd7dbe7df8b0864e6fd4e02cb7efcf0ea21880099ccd3b59ada31d98914f899

Aliases

arxiv: 1005.0849 · arxiv_version: 1005.0849v1 · doi: 10.48550/arxiv.1005.0849 · pith_short_12: HPL5XZ67RMEG · pith_short_16: HPL5XZ67RMEGJZX5 · pith_short_8: HPL5XZ67
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/HPL5XZ67RMEGJZX5JYBMW7X46D \
  | 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: 3bd7dbe7df8b0864e6fd4e02cb7efcf0ea21880099ccd3b59ada31d98914f899
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "e31c86e95084157273688e4cf01b1913f851ea49e9f0b8d7ef530ca82ff00769",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2010-05-05T20:20:31Z",
    "title_canon_sha256": "81efd4c721e945767b69c214145e0813e649301893325e595c510d3adec202d5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1005.0849",
    "kind": "arxiv",
    "version": 1
  }
}