Pith Number

pith:WJXRONWJ

pith:2011:WJXRONWJB77GLX2HKQKTC7WDRX

not attested not anchored not stored refs pending

Nova M31N 2007-12b: Supersoft X-rays reveal an intermediate polar?

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

arxiv:1105.0590 v1 · 2011-05-03 · 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{WJXRONWJB77GLX2HKQKTC7WDRX}

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	2026-05-18T02:02:09.618754Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b26f1736c90ffe65df475415317ec38df5a0441d9e4436d78d01634311d162e0

Aliases

arxiv: 1105.0590 · arxiv_version: 1105.0590v1 · doi: 10.48550/arxiv.1105.0590 · pith_short_12: WJXRONWJB77G · pith_short_16: WJXRONWJB77GLX2H · pith_short_8: WJXRONWJ

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/WJXRONWJB77GLX2HKQKTC7WDRX \
  | 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: b26f1736c90ffe65df475415317ec38df5a0441d9e4436d78d01634311d162e0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e6f99fc74ed741e9b73093f2da5e7910d3949913e86f44d5c20b41643060e5d8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2011-05-03T14:18:16Z",
    "title_canon_sha256": "a5b6fa3989c196e86bfbd1cb4ee7ba673322c83d9b03cb2b82cd3c78ae57d65e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1105.0590",
    "kind": "arxiv",
    "version": 1
  }
}