Pith Number

pith:K4LXEEEA

pith:2013:K4LXEEEAEVWZMNVQO6CJWCATSR

not attested not anchored not stored refs pending

Variability of the High Velocity Outflow in the Quasar PDS 456

E. Behar, G. Matzeu, J. Gofford, J. N. Reeves, L. Miller, M. Costa, M. Ward, P. O'Brien, S. A. Sim, S. Kaspi, T. J. Turner, V. Braito

arxiv:1311.0734 v1 · 2013-11-04 · astro-ph.HE · 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{K4LXEEEAEVWZMNVQO6CJWCATSR}

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	2026-05-18T01:46:39.365902Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5717721080256d9636b077849b0813946c08d314ebccf48a7a8da89d1a6fd541

Aliases

arxiv: 1311.0734 · arxiv_version: 1311.0734v1 · doi: 10.48550/arxiv.1311.0734 · pith_short_12: K4LXEEEAEVWZ · pith_short_16: K4LXEEEAEVWZMNVQ · pith_short_8: K4LXEEEA

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/K4LXEEEAEVWZMNVQO6CJWCATSR \
  | 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: 5717721080256d9636b077849b0813946c08d314ebccf48a7a8da89d1a6fd541

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0a3ff2af5f5d40df391c8d6f2d63dbcdd812262e36d005416cd5880b8c650b86",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2013-11-04T15:32:32Z",
    "title_canon_sha256": "a2ffb3d55c6b1e3b2b984d4c02c380cca934536a60b0d094b4a627749bf04122"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1311.0734",
    "kind": "arxiv",
    "version": 1
  }
}