Pith Number

pith:Y3EQH3S7

pith:1997:Y3EQH3S7C4XE3WVG2G42SGIV3Q

not attested not anchored not stored refs pending

Extinction and the Radial Distribution of Supernova Properties in Their Parent Galaxies

D. Branch, J. Deaton (U. of Oklahoma), K. Hatano

arxiv:astro-ph/9711311 v1 · 1997-11-26 · 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{Y3EQH3S7C4XE3WVG2G42SGIV3Q}

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.

Cited by

1 paper in Pith

Measurements of Omega and Lambda from 42 High-Redshift Supernovae

Receipt and verification

First computed	2026-07-04T16:03:29.396236Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c6c903ee5f172e4ddaa6d1b9a91915dc10f90084413a418b4940b8d780708514

Aliases

arxiv: astro-ph/9711311 · arxiv_version: astro-ph/9711311v1 · doi: 10.48550/arxiv.astro-ph/9711311 · pith_short_12: Y3EQH3S7C4XE · pith_short_16: Y3EQH3S7C4XE3WVG · pith_short_8: Y3EQH3S7

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/Y3EQH3S7C4XE3WVG2G42SGIV3Q \
  | 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: c6c903ee5f172e4ddaa6d1b9a91915dc10f90084413a418b4940b8d780708514

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8d397f6a479d487fcdc6639795155a780a6ce9591500144000036a0a6484e49d",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1997-11-26T02:19:26Z",
    "title_canon_sha256": "6fe18504d1d4c90afc8bde4fa8bdd284d25be201f4430dfc9c610a50c01c0de3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9711311",
    "kind": "arxiv",
    "version": 1
  }
}