Pith Number

pith:GTWU2H2Q

pith:2008:GTWU2H2Q6Y3RZVVESFL25R64U4

not attested not anchored not stored refs pending

Balmer Emission Line Profiles and the Complex Properties of Broad Line Regions in Active Galactic Nuclei

F. Di Mille, G. La Mura, L. \v{C}. Popovi\'c, P. Rafanelli, S. Ciroi

arxiv:0811.2655 v1 · 2008-11-17 · 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{GTWU2H2Q6Y3RZVVESFL25R64U4}

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	2026-05-18T04:29:25.028902Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

34ed4d1f50f6371cd6a49157aec7dca7096b1419a1992dea9dad01621c3d461b

Aliases

arxiv: 0811.2655 · arxiv_version: 0811.2655v1 · doi: 10.48550/arxiv.0811.2655 · pith_short_12: GTWU2H2Q6Y3R · pith_short_16: GTWU2H2Q6Y3RZVVE · pith_short_8: GTWU2H2Q

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/GTWU2H2Q6Y3RZVVESFL25R64U4 \
  | 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: 34ed4d1f50f6371cd6a49157aec7dca7096b1419a1992dea9dad01621c3d461b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4d38aab5cf93f447dcb6a1d0e2f6c3b95637732a65008f68d9c20aa3e858428b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph",
    "submitted_at": "2008-11-17T10:21:09Z",
    "title_canon_sha256": "2fe2e906bd9594d4b004b392706896a97db18ae56a3865a0fe8c0fb55d3e1067"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0811.2655",
    "kind": "arxiv",
    "version": 1
  }
}