Pith Number

pith:YWQAZCQL

pith:2004:YWQAZCQLTACBPQXCPAD6GBG4YV

not attested not anchored not stored refs pending

Synthetic Spectra for Type Ia Supernovae at Early Epochs

2), (2) University Observatory Munich, A.W.A.Pauldrach (2), D. Sauer (1, Germany, Germany), T. Hoffmann (2), W. Hillebrandt (1) ((1) Max-Planck-Institute f. Astrophysics

arxiv:astro-ph/0410703 v1 · 2004-10-28 · 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{YWQAZCQLTACBPQXCPAD6GBG4YV}

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	2026-05-18T01:40:34.881803Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c5a00c8a0b980417c2e27807e304dcc57cc5c3a7c182e0acd1a83820360780d4

Aliases

arxiv: astro-ph/0410703 · arxiv_version: astro-ph/0410703v1 · doi: 10.48550/arxiv.astro-ph/0410703 · pith_short_12: YWQAZCQLTACB · pith_short_16: YWQAZCQLTACBPQXC · pith_short_8: YWQAZCQL

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/YWQAZCQLTACBPQXCPAD6GBG4YV \
  | 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: c5a00c8a0b980417c2e27807e304dcc57cc5c3a7c182e0acd1a83820360780d4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "52076d2d77359b88f9d305f8c3876e7ade4ac9f0a6eb247b659afd9601e53996",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2004-10-28T14:33:15Z",
    "title_canon_sha256": "8f080747da3ae9370f64f9934d096dc643c98439c339d3449f1ac3c281dabcc7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0410703",
    "kind": "arxiv",
    "version": 1
  }
}