Pith Number

pith:L4N5DWWW

pith:2011:L4N5DWWWXXRMOPZ3SJAENWPAVJ

not attested not anchored not stored refs pending

Radio Monitoring of the Tidal Disruption Event Swift J164449.3+573451. I. Jet Energetics and the Pristine Parsec-Scale Environment of a Supermassive Black Hole

A. Brunthaler, A. M. Soderberg, A. Zauderer, E. Berger, G. G. Pooley, M. F. Bietenholz, R. Sari

arxiv:1112.1697 v1 · 2011-12-07 · 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{L4N5DWWWXXRMOPZ3SJAENWPAVJ}

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	2026-05-18T01:59:15.421172Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5f1bd1dad6bde2c73f3b924046d9e0aa6ca7dc40a7453819a0aec7a8c8907f81

Aliases

arxiv: 1112.1697 · arxiv_version: 1112.1697v1 · doi: 10.48550/arxiv.1112.1697 · pith_short_12: L4N5DWWWXXRM · pith_short_16: L4N5DWWWXXRMOPZ3 · pith_short_8: L4N5DWWW

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/L4N5DWWWXXRMOPZ3SJAENWPAVJ \
  | 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: 5f1bd1dad6bde2c73f3b924046d9e0aa6ca7dc40a7453819a0aec7a8c8907f81

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "19fe78eef260cc33f948bb13988f2dbf1e49a88f3e24dbd124ef4d3cd57750fc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2011-12-07T21:00:03Z",
    "title_canon_sha256": "af8f869bfcd5696c83cb0db4499528be0836ba552520e1ae3c33777e83fbeb00"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1112.1697",
    "kind": "arxiv",
    "version": 1
  }
}