Pith Number

pith:7ZBP4ZWL

pith:2014:7ZBP4ZWLTFRBMRF3P4R5MT7MVI

not attested not anchored not stored refs pending

The puzzling symbiotic X-ray system 4U1700+24

A.A. Nucita, F. De Paolis, G. Ingrosso, L. Manni, M. Del Santo, N. Masetti, S. Stefanelli

arxiv:1401.2053 v1 · 2014-01-09 · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7ZBP4ZWLTFRBMRF3P4R5MT7MVI}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T01:45:27.092406Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fe42fe66cb99621644bb7f23d64fecaa13d8525efe643b8207b1e75b5ffc5301

Aliases

arxiv: 1401.2053 · arxiv_version: 1401.2053v1 · doi: 10.48550/arxiv.1401.2053 · pith_short_12: 7ZBP4ZWLTFRB · pith_short_16: 7ZBP4ZWLTFRBMRF3 · pith_short_8: 7ZBP4ZWL

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/7ZBP4ZWLTFRBMRF3P4R5MT7MVI \
  | 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: fe42fe66cb99621644bb7f23d64fecaa13d8525efe643b8207b1e75b5ffc5301

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2b8ed97734b561507d86c4f906b5fcac3cf5770d3de7fc2c2bd6c6858845737c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2014-01-09T16:12:43Z",
    "title_canon_sha256": "7f624440d921811942492c2aec73097113b7f5202ac83540e6532895123f90f9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1401.2053",
    "kind": "arxiv",
    "version": 1
  }
}