Pith Number

pith:QNLMCD5E

pith:2007:QNLMCD5EA3OLLDHX5IWULI2UQ2

not attested not anchored not stored refs pending

Dust Echoes from the Ambient Medium of Gamma-Ray Bursts

Davide Lazzati & Rosalba Perna, Kevin Heng

arxiv:astro-ph/0703158 v1 · 2007-03-07 · astro-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QNLMCD5EA3OLLDHX5IWULI2UQ2}

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	2026-05-18T04:29:05.894873Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8356c10fa406dcb58cf7ea2d45a35486b5b3918012dc4f599f101641a4f06bc1

Aliases

arxiv: astro-ph/0703158 · arxiv_version: astro-ph/0703158v1 · doi: 10.48550/arxiv.astro-ph/0703158 · pith_short_12: QNLMCD5EA3OL · pith_short_16: QNLMCD5EA3OLLDHX · pith_short_8: QNLMCD5E

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/QNLMCD5EA3OLLDHX5IWULI2UQ2 \
  | 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: 8356c10fa406dcb58cf7ea2d45a35486b5b3918012dc4f599f101641a4f06bc1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "83faa04ed4b7835d21e5ac11673e453587d93519e2fe04aa74d1f26d8b0f5df5",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2007-03-07T20:13:28Z",
    "title_canon_sha256": "5484a3cd1e4adfadd37ba5a3fee8e91e8756c9039527eba6ba9a972c5d6261fa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0703158",
    "kind": "arxiv",
    "version": 1
  }
}