Pith Number

pith:EADWENDG

pith:2013:EADWENDGFRPE3C7B6GQQQI3HGG

not attested not anchored not stored refs pending

SMBH accretion & mergers: removing the symmetries

Andrew King, Chris Nixon

arxiv:1307.3255 v1 · 2013-07-11 · 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{EADWENDGFRPE3C7B6GQQQI3HGG}

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	2026-05-18T01:48:51.410782Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

20076234662c5e4d8be1f1a10823673188a838501dd40af05e33aa14ff51bdf3

Aliases

arxiv: 1307.3255 · arxiv_version: 1307.3255v1 · doi: 10.48550/arxiv.1307.3255 · pith_short_12: EADWENDGFRPE · pith_short_16: EADWENDGFRPE3C7B · pith_short_8: EADWENDG

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/EADWENDGFRPE3C7B6GQQQI3HGG \
  | 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: 20076234662c5e4d8be1f1a10823673188a838501dd40af05e33aa14ff51bdf3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "11be63d8ffa51d0265e0c432f226b2de3d37dc2159cecca7d22057f466070369",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2013-07-11T20:00:05Z",
    "title_canon_sha256": "f8183e3f5abf6e69c7cd93db4797040ecacb9e669187ba17b75734f76ad3e6b9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.3255",
    "kind": "arxiv",
    "version": 1
  }
}