Pith Number

pith:KWAMVKRQ

pith:2013:KWAMVKRQW5P2LY76AU33KU7DEX

not attested not anchored not stored refs pending

A Multi-wavelength Study of the Host Environment of SMBHB 4C+37.11

A. C. Readhead, Christine Jones, Greg B. Taylor, Robert Zavala, Roger W. Romani, S. S. Murray, W.R. Forman

arxiv:1311.5520 v1 · 2013-11-18 · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KWAMVKRQW5P2LY76AU33KU7DEX}

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	2026-05-18T01:46:07.191846Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5580caaa30b75fa5e3fe0537b553e325e1d6d09ef7d93c979ad3273c82ade7e9

Aliases

arxiv: 1311.5520 · arxiv_version: 1311.5520v1 · doi: 10.48550/arxiv.1311.5520 · pith_short_12: KWAMVKRQW5P2 · pith_short_16: KWAMVKRQW5P2LY76 · pith_short_8: KWAMVKRQ

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/KWAMVKRQW5P2LY76AU33KU7DEX \
  | 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: 5580caaa30b75fa5e3fe0537b553e325e1d6d09ef7d93c979ad3273c82ade7e9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dc903959210374fe1a1dd8ae37f15d4c87e68bc980cda8d29b4c82118ee38293",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2013-11-18T18:40:03Z",
    "title_canon_sha256": "65f58acbb1715830c7ca8684c0051db331e1d0da72d15d2e3efe01e156d5fb4b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1311.5520",
    "kind": "arxiv",
    "version": 1
  }
}