Pith Number

pith:T6PIBZVT

pith:2013:T6PIBZVTLPURISETHEZSQYEF2D

not attested not anchored not stored refs pending

Abell 48 - a rare WN-type central star of a planetary nebula

A. A. S. Gulbis, A. Y. Kniazev, C. Hettlage, D. Buckley, D. O'Donoghue, E. Hooper, E. Romero-Colmenero, H. Todt, K. H. Nordsieck, L. Crause, M. Wolf, N. Loaring, P. Kotze, P. Vaisanen, S. M. Crawford, S. Potter, T.-O. Husser, T. Pickering, T. Williams, V. V. Gvaramadze, W.-R. Hamann

arxiv:1301.1944 v2 · 2013-01-09 · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{T6PIBZVTLPURISETHEZSQYEF2D}

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	2026-05-18T01:52:14.274144Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9f9e80e6b35be91448933933286085d0fd8870a549f305201acb6d5450afcd55

Aliases

arxiv: 1301.1944 · arxiv_version: 1301.1944v2 · doi: 10.48550/arxiv.1301.1944 · pith_short_12: T6PIBZVTLPUR · pith_short_16: T6PIBZVTLPURISET · pith_short_8: T6PIBZVT

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/T6PIBZVTLPURISETHEZSQYEF2D \
  | 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: 9f9e80e6b35be91448933933286085d0fd8870a549f305201acb6d5450afcd55

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "041963ca35884a7994d1b0823f34a6acc78c415a8c136afe21efdf8ce04d4bdf",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2013-01-09T18:56:37Z",
    "title_canon_sha256": "7cb3b7b0a7f7c7ebed780c2c8c349e15a3270d67c34e3034fcd8265bdf347736"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1301.1944",
    "kind": "arxiv",
    "version": 2
  }
}