Pith Number

pith:Q5MG6BN5

pith:2012:Q5MG6BN54VTDEM4GIOS4MUZGJ4

not attested not anchored not stored refs pending

Spectral properties of the narrow-line region in Seyfert galaxies selected from the SDSS-DR7

F. Di Mille, G. La Mura, L. Vaona, P. Rafanelli, S. Ciroi, V. Cracco

arxiv:1210.5201 v1 · 2012-10-18 · astro-ph.CO

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Q5MG6BN54VTDEM4GIOS4MUZGJ4}

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	2026-05-18T01:53:46.407486Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

87586f05bde56632338643a5c653264f241b8b2413d73d3cb98dc88c170a40af

Aliases

arxiv: 1210.5201 · arxiv_version: 1210.5201v1 · doi: 10.48550/arxiv.1210.5201 · pith_short_12: Q5MG6BN54VTD · pith_short_16: Q5MG6BN54VTDEM4G · pith_short_8: Q5MG6BN5

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/Q5MG6BN54VTDEM4GIOS4MUZGJ4 \
  | 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: 87586f05bde56632338643a5c653264f241b8b2413d73d3cb98dc88c170a40af

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5e6143394c89368de78b1e9473f3d1f71a40c466c523c3adb3b29302443591c5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-10-18T17:37:12Z",
    "title_canon_sha256": "09a758fbd5108d1a0d23e6cb5df9c2d6820fecb592eff0b0d70b19c6dec8284d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1210.5201",
    "kind": "arxiv",
    "version": 1
  }
}