Pith Number

pith:SWNP3KD3

pith:1998:SWNP3KD3WYMUBIV47O57MYOFR5

not attested not anchored not stored refs pending

Distribution of Spectral Characteristics and the Cosmological Evolution of GRBs

Nicole M. Lloyd-Ronning, Vahe' Petrosian (Stanford University)

arxiv:astro-ph/9807180 v2 · 1998-07-17 · 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{SWNP3KD3WYMUBIV47O57MYOFR5}

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	2026-05-18T00:01:32.904295Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

959afda87bb61940a2bcfbbbf661c58f6db3d36212ba9e9d507d85db837a301e

Aliases

arxiv: astro-ph/9807180 · arxiv_version: astro-ph/9807180v2 · doi: 10.48550/arxiv.astro-ph/9807180 · pith_short_12: SWNP3KD3WYMU · pith_short_16: SWNP3KD3WYMUBIV4 · pith_short_8: SWNP3KD3

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/SWNP3KD3WYMUBIV47O57MYOFR5 \
  | 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: 959afda87bb61940a2bcfbbbf661c58f6db3d36212ba9e9d507d85db837a301e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7467b02166e9f285c9341aea9b8752d3043c82b8e498c70c114380fce8f37eae",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1998-07-17T00:51:46Z",
    "title_canon_sha256": "31aca8bbedc828e1a9318c3ad5b01079049fdfea3a6ef60d509aa8806b4b295c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9807180",
    "kind": "arxiv",
    "version": 2
  }
}