Pith Number

pith:C2R56L6K

pith:2015:C2R56L6KQ2IR2YHHX5T4MCQUKG

not attested not anchored not stored refs pending

The dust disk and companion of the nearby AGB star L2 Puppis - SPHERE/ZIMPOL polarimetric imaging at visible wavelengths

A. Gallenne, E. Lagadec, G. Perrin, J. H. Girard, K. Ohnaka, M. Montarg\`es, P. Kervella, S. T. Ridgway, X. Haubois

arxiv:1511.04448 v1 · 2015-11-13 · 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{C2R56L6KQ2IR2YHHX5T4MCQUKG}

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	2026-05-18T01:26:56.984248Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

16a3df2fca86911d60e7bf67c60a145194518d5abb86bb2cd14ceb86bb5e6110

Aliases

arxiv: 1511.04448 · arxiv_version: 1511.04448v1 · doi: 10.48550/arxiv.1511.04448 · pith_short_12: C2R56L6KQ2IR · pith_short_16: C2R56L6KQ2IR2YHH · pith_short_8: C2R56L6K

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/C2R56L6KQ2IR2YHHX5T4MCQUKG \
  | 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: 16a3df2fca86911d60e7bf67c60a145194518d5abb86bb2cd14ceb86bb5e6110

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cb27a3c3e4f9da4c9bbc4545c5c4d573c5deb7740b9d0176b41b1af1b2023e53",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2015-11-13T21:00:05Z",
    "title_canon_sha256": "c320560c82734bf7bc406937dd3dad09a367923bc05c166defe7a67b6803d48f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1511.04448",
    "kind": "arxiv",
    "version": 1
  }
}