Pith Number

pith:GMJ6FJIT

pith:2013:GMJ6FJITQZTZZZGG4QQQKLBRV7

not attested not anchored not stored refs pending

Discovery of periodic dips in the light curve of GX 13+1: the X-ray orbital ephemeris of the source

A. D'Ai, A. Riggio, L. Burderi, N. R. Robba, R. Iaria, T. Di Salvo

arxiv:1310.6628 v1 · 2013-10-24 · 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{GMJ6FJITQZTZZZGG4QQQKLBRV7}

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	2026-05-18T01:46:50.037780Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3313e2a51386679ce4c6e421052c31affc1c5f85923c3d8e524877611f3234d9

Aliases

arxiv: 1310.6628 · arxiv_version: 1310.6628v1 · doi: 10.48550/arxiv.1310.6628 · pith_short_12: GMJ6FJITQZTZ · pith_short_16: GMJ6FJITQZTZZZGG · pith_short_8: GMJ6FJIT

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/GMJ6FJITQZTZZZGG4QQQKLBRV7 \
  | 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: 3313e2a51386679ce4c6e421052c31affc1c5f85923c3d8e524877611f3234d9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "314d425cb1e06c343b673751b96bff86a8f9fd7d492473243084821e35af724e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2013-10-24T14:26:10Z",
    "title_canon_sha256": "91234696f9828e9be7e3b09481244cbf0cb0dd3f252e051458ddb9c7d9bba039"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1310.6628",
    "kind": "arxiv",
    "version": 1
  }
}