Pith Number

pith:2ZRVMA6S

pith:2011:2ZRVMA6SIQLYIBHCHWDCPVDBU4

not attested not anchored not stored refs pending

Fractal properties of SDSS quasars

A. A. Agapov, I. K. Rozgacheva

arxiv:1101.4280 v1 · 2011-01-22 · 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{2ZRVMA6SIQLYIBHCHWDCPVDBU4}

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	2026-05-18T02:22:50.515917Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d6635603d244178404e23d8627d461a71f2bf34311aa83708b93126fc7fa6f34

Aliases

arxiv: 1101.4280 · arxiv_version: 1101.4280v1 · doi: 10.48550/arxiv.1101.4280 · pith_short_12: 2ZRVMA6SIQLY · pith_short_16: 2ZRVMA6SIQLYIBHC · pith_short_8: 2ZRVMA6S

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/2ZRVMA6SIQLYIBHCHWDCPVDBU4 \
  | 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: d6635603d244178404e23d8627d461a71f2bf34311aa83708b93126fc7fa6f34

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "15a4824f9c48de889aca27293916cfb3c1f77ce81f3ecf8fdcd1345d750e322a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-01-22T11:28:43Z",
    "title_canon_sha256": "38efa40c9d6ae3a5136ade5d7e2f49719b6795d01c155e1ed512e151c0d0dba9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1101.4280",
    "kind": "arxiv",
    "version": 1
  }
}