Pith Number

pith:XMYRF675

pith:2003:XMYRF675GT3265FM3DVZ632IO6

not attested not anchored not stored refs pending

The unusual emission line spectrum of IZw1

M. Joly, M.-P. Veron-Cetty, P. Veron

arxiv:astro-ph/0312654 v1 · 2003-12-31 · 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{XMYRF675GT3265FM3DVZ632IO6}

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	2026-05-18T04:18:14.490540Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bb3112fbfd34f7af74acd8eb9f6f4877a2f3ff2ac0f2bc832bcd2887d0d75a33

Aliases

arxiv: astro-ph/0312654 · arxiv_version: astro-ph/0312654v1 · doi: 10.48550/arxiv.astro-ph/0312654 · pith_short_12: XMYRF675GT32 · pith_short_16: XMYRF675GT3265FM · pith_short_8: XMYRF675

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/XMYRF675GT3265FM3DVZ632IO6 \
  | 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: bb3112fbfd34f7af74acd8eb9f6f4877a2f3ff2ac0f2bc832bcd2887d0d75a33

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c1dabebc0c83f2f8d8c97112ad9f738f20de219ad2981f37b3e0a399a0f394cd",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2003-12-31T10:32:44Z",
    "title_canon_sha256": "0e45fd3e25f0f05da69bb128e39bdcc61bcb8f2f91fe9d021d85907c65512880"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0312654",
    "kind": "arxiv",
    "version": 1
  }
}