Pith Number

pith:ODPXG3WC

pith:2013:ODPXG3WCBX4MH2HV3DKGQHAROY

not attested not anchored not stored refs pending

Spectral Variation of NLS1 Galaxy PMN J0948+0022

E. W. Liang, Jin Zhang, S. N. Zhang, X. N. Sun, Y. Lu

arxiv:1302.5500 v1 · 2013-02-22 · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ODPXG3WCBX4MH2HV3DKGQHAROY}

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	2026-05-18T01:51:34.202664Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

70df736ec20df8c3e8f5d8d4681c11763b157e1a5124c9e900cb16ac1af2ba7d

Aliases

arxiv: 1302.5500 · arxiv_version: 1302.5500v1 · doi: 10.48550/arxiv.1302.5500 · pith_short_12: ODPXG3WCBX4M · pith_short_16: ODPXG3WCBX4MH2HV · pith_short_8: ODPXG3WC

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/ODPXG3WCBX4MH2HV3DKGQHAROY \
  | 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: 70df736ec20df8c3e8f5d8d4681c11763b157e1a5124c9e900cb16ac1af2ba7d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1b9782310050db7f30e73171051cef4fca51ae77597575665c8896f6253b5484",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2013-02-22T07:14:46Z",
    "title_canon_sha256": "d2e69c7fc59eb678cdc8a5dcf41266ac437cc4a349f0888dc796d89006a9129b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1302.5500",
    "kind": "arxiv",
    "version": 1
  }
}