Pith Number

pith:3ALQ4ID5

pith:2012:3ALQ4ID5NMQAPQYPKZ5QZKYLSX

not attested not anchored not stored refs pending

Characterization of new hard X-ray Cataclysmic Variables

D. de Martino, F. Bernardini, G. Matt, J.-M. Bonnet-Bidaud, K. Mukai, M. Falanga, M.Mouchet, N. Masetti

arxiv:1204.3758 v1 · 2012-04-17 · 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{3ALQ4ID5NMQAPQYPKZ5QZKYLSX}

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	2026-05-18T01:57:51.589150Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d8170e207d6b2007c30f567b0cab0b95c026358fef6611df9bb0ed884e6aa40d

Aliases

arxiv: 1204.3758 · arxiv_version: 1204.3758v1 · doi: 10.48550/arxiv.1204.3758 · pith_short_12: 3ALQ4ID5NMQA · pith_short_16: 3ALQ4ID5NMQAPQYP · pith_short_8: 3ALQ4ID5

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/3ALQ4ID5NMQAPQYPKZ5QZKYLSX \
  | 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: d8170e207d6b2007c30f567b0cab0b95c026358fef6611df9bb0ed884e6aa40d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7e4b5970f8efb7c6fab2fb727783237828c210797479620aa29e5b912e765740",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2012-04-17T11:10:39Z",
    "title_canon_sha256": "e2ee45dca1fa8fba2ec7df2f87047f68c46b978fa9c44d30e1981ba906e34a59"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1204.3758",
    "kind": "arxiv",
    "version": 1
  }
}