Pith Number

pith:4L5GHBZG

pith:2013:4L5GHBZGMMPZVJ7EWVXRHCS4MV

not attested not anchored not stored refs pending

Star formation and accretion in the circumnuclear disks of active galaxies

Dominik R. G. Schleicher, Stephanie Wutschik, Thomas S. Palmer II

arxiv:1309.4909 v1 · 2013-09-19 · 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{4L5GHBZGMMPZVJ7EWVXRHCS4MV}

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	2026-05-18T01:47:35.543388Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e2fa638726631f9aa7e4b56f138a5c657a4626532c0977cfa256f487f7b2b826

Aliases

arxiv: 1309.4909 · arxiv_version: 1309.4909v1 · doi: 10.48550/arxiv.1309.4909 · pith_short_12: 4L5GHBZGMMPZ · pith_short_16: 4L5GHBZGMMPZVJ7E · pith_short_8: 4L5GHBZG

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/4L5GHBZGMMPZVJ7EWVXRHCS4MV \
  | 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: e2fa638726631f9aa7e4b56f138a5c657a4626532c0977cfa256f487f7b2b826

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5de0016aa339b685e0a7da88e57aee6071894760d01408713fee9843129332c2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-09-19T09:39:43Z",
    "title_canon_sha256": "a0f949b8921628d817ff9dc32343c811e98739287c070d460071f5f8371db9e8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.4909",
    "kind": "arxiv",
    "version": 1
  }
}