Pith Number

pith:PQDTRURS

pith:2015:PQDTRURSWOUAGV7JCCPRBGAFVY

not attested not anchored not stored refs pending

Dissecting the AGB star L2 Puppis: a torus in the making

A.A. Zijlstra, A. Mayer, B.R.M. Norris, C. Paladini, D. Klotz, E. Lagadec, F. Lykou, J. Hron, J. Kluska, J. Meisner, M. Maercker, M. Wittkowski, P.G. Tuthill, S. Ramstedt

arxiv:1503.05031 v1 · 2015-03-17 · 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{PQDTRURSWOUAGV7JCCPRBGAFVY}

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	2026-05-18T02:19:51.036036Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7c0738d232b3a80357e9109f109805ae3aabf6c51810efc342775cdbaa722c61

Aliases

arxiv: 1503.05031 · arxiv_version: 1503.05031v1 · doi: 10.48550/arxiv.1503.05031 · pith_short_12: PQDTRURSWOUA · pith_short_16: PQDTRURSWOUAGV7J · pith_short_8: PQDTRURS

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/PQDTRURSWOUAGV7JCCPRBGAFVY \
  | 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: 7c0738d232b3a80357e9109f109805ae3aabf6c51810efc342775cdbaa722c61

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "723af0197571ad0ae7ddfeafbaff1e4cfdaab1d380712bd70f28d34ed8d0f8ac",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2015-03-17T13:17:27Z",
    "title_canon_sha256": "03e7792d6da79f5b14e542e0304b74de09f2d62442fb0b28c21f4ea379b24e2b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.05031",
    "kind": "arxiv",
    "version": 1
  }
}