Pith Number

pith:GDDRJ2DA

pith:2003:GDDRJ2DAKGNGOMXKUEPT3TSNJT

not attested not anchored not stored refs pending

Integral Field Spectroscopy of SN 2002er with PMAS

((1) Astrophysikalisches Institut Potsdam, 2), (2) Potsdam University), A. Kelz (1), K. Jahnke (1), L. Christensen (1), L. Wisotzki (1, M. M. Roth (1), S. F. Sanchez (1), T. Becker (1)

arxiv:astro-ph/0301079 v1 · 2003-01-06 · 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{GDDRJ2DAKGNGOMXKUEPT3TSNJT}

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	2026-05-18T04:21:42.266197Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

30c714e860519a6732eaa11f3dce4d4ce50ccefdbc1f89b9dff89402dcfa4dea

Aliases

arxiv: astro-ph/0301079 · arxiv_version: astro-ph/0301079v1 · doi: 10.48550/arxiv.astro-ph/0301079 · pith_short_12: GDDRJ2DAKGNG · pith_short_16: GDDRJ2DAKGNGOMXK · pith_short_8: GDDRJ2DA

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/GDDRJ2DAKGNGOMXKUEPT3TSNJT \
  | 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: 30c714e860519a6732eaa11f3dce4d4ce50ccefdbc1f89b9dff89402dcfa4dea

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a0ce6c277d8ef6d35d45148ffe6591e437d5b08dfd659f11b5f37617fbaacaca",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2003-01-06T14:57:03Z",
    "title_canon_sha256": "9ba4031462ea8b0942b453fe70cbb6e4596e8ce59a28cd053248046c4ab8b631"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0301079",
    "kind": "arxiv",
    "version": 1
  }
}