Pith Number

pith:WEHA64IY

pith:2013:WEHA64IY3H6R2U762CRHOOXRXT

not attested not anchored not stored refs pending

Detection of a multi-shell planetary nebula around the hot subdwarf O-type star 2MASS J19310888+4324577

A. Aller, A. Ulla, C. Rodr\'iguez-L\'opez, E. P\'erez, L. F. Miranda, L. Olgu\'in, M. Manteiga, P. F. Guill\'en, P. Thejll, R. Oreiro, R. V\'azquez

arxiv:1301.7210 v1 · 2013-01-30 · 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{WEHA64IY3H6R2U762CRHOOXRXT}

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	2026-05-18T01:51:57.124305Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b10e0f7118d9fd1d53fed0a2773af1bcf863cddfa63dd74a319c55c6b227a644

Aliases

arxiv: 1301.7210 · arxiv_version: 1301.7210v1 · doi: 10.48550/arxiv.1301.7210 · pith_short_12: WEHA64IY3H6R · pith_short_16: WEHA64IY3H6R2U76 · pith_short_8: WEHA64IY

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/WEHA64IY3H6R2U762CRHOOXRXT \
  | 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: b10e0f7118d9fd1d53fed0a2773af1bcf863cddfa63dd74a319c55c6b227a644

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "022532aca01c87c0f874c76d43cc37aa23fd2d3f3e8969f8fb76a193511da89b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2013-01-30T12:48:33Z",
    "title_canon_sha256": "dcfa4698fa0b3aedce1cb06b1fecddb5553b84eb88d349a19345d5f99f28fea4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1301.7210",
    "kind": "arxiv",
    "version": 1
  }
}