Pith Number

pith:2JG4WDBC

pith:2013:2JG4WDBC6WAMQYBCVXNSQDOKE5

not attested not anchored not stored refs pending

ASAS Photometry of ROSAT Sources. II.New Variables from the ASAS North Survey

K. Stepien, M. Kiraga

arxiv:1304.3236 v1 · 2013-04-11 · astro-ph.SR

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2JG4WDBC6WAMQYBCVXNSQDOKE5}

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	2026-05-18T03:28:18.243625Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d24dcb0c22f580c86022addb280dca27615e857ef552e9f5877a09f4c14e4f21

Aliases

arxiv: 1304.3236 · arxiv_version: 1304.3236v1 · doi: 10.48550/arxiv.1304.3236 · pith_short_12: 2JG4WDBC6WAM · pith_short_16: 2JG4WDBC6WAMQYBC · pith_short_8: 2JG4WDBC

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/2JG4WDBC6WAMQYBCVXNSQDOKE5 \
  | 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: d24dcb0c22f580c86022addb280dca27615e857ef552e9f5877a09f4c14e4f21

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "13c209893459e1dc402488235d46137d6bc62eb797f861efd02db07e1575906c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2013-04-11T09:11:11Z",
    "title_canon_sha256": "a90c42f2de345d3ce882a43d784f9b27fc225d3c95d315d7282ef84716cf4ec5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.3236",
    "kind": "arxiv",
    "version": 1
  }
}