Pith Number

pith:XRXM5NF6

pith:2013:XRXM5NF6IHW2ULYHMZ4BXNXLC6

not attested not anchored not stored refs pending

Swift discovery of the orbital period of the HMXB IGR J015712-7259 in the Small Magellanic Cloud

A. D'A\`i (UNIPA), A. Segreto, G. Cusumano, N. Masetti (INAF -IASF Bo), P. D'Avanzo (INAF-OAB), V. La Parola (INAF IASF Palermo)

arxiv:1305.3920 v2 · 2013-05-16 · 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{XRXM5NF6IHW2ULYHMZ4BXNXLC6}

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	2026-05-18T01:49:49.533950Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bc6eceb4be41edaa2f0766781bb6eb17a7b1d60e163ab9e0832d5ccbb9d4ea66

Aliases

arxiv: 1305.3920 · arxiv_version: 1305.3920v2 · doi: 10.48550/arxiv.1305.3920 · pith_short_12: XRXM5NF6IHW2 · pith_short_16: XRXM5NF6IHW2ULYH · pith_short_8: XRXM5NF6

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/XRXM5NF6IHW2ULYHMZ4BXNXLC6 \
  | 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: bc6eceb4be41edaa2f0766781bb6eb17a7b1d60e163ab9e0832d5ccbb9d4ea66

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "408016f422a25d26fab53ed313dabe5404a324125b72a8cf8b008ffc8cbc7cf2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2013-05-16T20:00:05Z",
    "title_canon_sha256": "c6edcdbb9f3e49d567cf10bfaca3723d7e53f506937ffc7a879ac2846ccae31d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1305.3920",
    "kind": "arxiv",
    "version": 2
  }
}