Pith Number

pith:2ACHDWCO

pith:2004:2ACHDWCO5567GZLLO467D63K2S

not attested not anchored not stored refs pending

Optical and near-IR observations of SN 1998bw

Ferdinando Patat

arxiv:astro-ph/0403301 v1 · 2004-03-12 · 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{2ACHDWCO5567GZLLO467D63K2S}

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	2026-05-18T01:40:37.258300Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d00471d84eef7df3656b773df1fb6ad48ad8ccbb70085f7737dcec80dc837eb5

Aliases

arxiv: astro-ph/0403301 · arxiv_version: astro-ph/0403301v1 · doi: 10.48550/arxiv.astro-ph/0403301 · pith_short_12: 2ACHDWCO5567 · pith_short_16: 2ACHDWCO5567GZLL · pith_short_8: 2ACHDWCO

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/2ACHDWCO5567GZLLO467D63K2S \
  | 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: d00471d84eef7df3656b773df1fb6ad48ad8ccbb70085f7737dcec80dc837eb5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4655ee0e9629d596a0f6925a8e50338ecaf683ed7141a7facbe143a81a0a6834",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2004-03-12T08:54:54Z",
    "title_canon_sha256": "d3e6be961f6ae8c224221bec4b1805933f90ab3a385d9f025cf28d0680d2f014"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0403301",
    "kind": "arxiv",
    "version": 1
  }
}