Pith. sign in
Pith Number

pith:JRY2WAZA

pith:2007:JRY2WAZARBWJXLWDKLIBLKMRTO
not attested not anchored not stored refs pending

The rise of the afterglow in GRB 050820a

F. Daigne, F. Genet, R. Mochkovitch

arxiv:0707.0952 v1 · 2007-07-06 · astro-ph

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{JRY2WAZARBWJXLWDKLIBLKMRTO}

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 2026-07-04T17:04:35.059886Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

4c71ab0320886c9baec352d015a9919b9ad9ec4912ffc162f3d0708c27ab6c9d

Aliases

arxiv: 0707.0952 · arxiv_version: 0707.0952v1 · doi: 10.48550/arxiv.0707.0952 · pith_short_12: JRY2WAZARBWJ · pith_short_16: JRY2WAZARBWJXLWD · pith_short_8: JRY2WAZA
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/JRY2WAZARBWJXLWDKLIBLKMRTO \
  | 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: 4c71ab0320886c9baec352d015a9919b9ad9ec4912ffc162f3d0708c27ab6c9d
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "c94d0f56baf1963409ae390d49957b7c08317a01124f4fb78c33a814a968a8c0",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2007-07-06T11:43:52Z",
    "title_canon_sha256": "77662fa3fcbf273074f85ea5db05c90d909971f678814627305314d2b7e957a5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0707.0952",
    "kind": "arxiv",
    "version": 1
  }
}