Pith Number

pith:5Y4MUTUA

pith:2013:5Y4MUTUAWVVLK5536FU4LNLPDT

not attested not anchored not stored refs pending

X-ray monitoring of classical novae in the central region of M31. III. Autumn and winter 2009/10, 2010/11 and 2011/12

D. Hatzidimitriou, D.H. Hartmann, F. Haberl, F. Hofmann, G. Sala, J. Greiner, M. Della Valle, M. Henze, M. Hernanz, W. Pietsch

arxiv:1312.1241 v2 · 2013-12-04 · astro-ph.HE · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5Y4MUTUAWVVLK5536FU4LNLPDT}

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	2026-05-18T02:57:17.146710Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ee38ca4e80b56ab577bbf169c5b56f1cc2353a4468e63b3f6f90d819ec384a0a

Aliases

arxiv: 1312.1241 · arxiv_version: 1312.1241v2 · doi: 10.48550/arxiv.1312.1241 · pith_short_12: 5Y4MUTUAWVVL · pith_short_16: 5Y4MUTUAWVVLK553 · pith_short_8: 5Y4MUTUA

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/5Y4MUTUAWVVLK5536FU4LNLPDT \
  | 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: ee38ca4e80b56ab577bbf169c5b56f1cc2353a4468e63b3f6f90d819ec384a0a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9206eee252325ef8a4ce45b9bcaf7edc6a4c0575f5343eed7bde03161c20784e",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2013-12-04T16:50:31Z",
    "title_canon_sha256": "03b1c2e1caf8025905b80a278cdc4e9f5373f761a2a687daa3ca12eed1e7e452"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1312.1241",
    "kind": "arxiv",
    "version": 2
  }
}