Pith Number

pith:FQ77VEKL

pith:2015:FQ77VEKL63RXM3V7I7UQ3LNGNN

not attested not anchored not stored refs pending

The inner environment of Z~CMa: High-Contrast Imaging Polarimetry with NaCo

C. Caceres, C. Dougados, F. M\'enard, H. Canovas, J. de Boer, J.H. Girard, L.A. Cieza, M.R. Schreiber, S. Casassus, S. Perez

arxiv:1504.05197 v1 · 2015-04-20 · 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{FQ77VEKL63RXM3V7I7UQ3LNGNN}

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	2026-05-18T02:03:32.560597Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2c3ffa914bf6e3766ebf47e90dada66b64a373477fc5eefb79b111844b4e5400

Aliases

arxiv: 1504.05197 · arxiv_version: 1504.05197v1 · doi: 10.48550/arxiv.1504.05197 · pith_short_12: FQ77VEKL63RX · pith_short_16: FQ77VEKL63RXM3V7 · pith_short_8: FQ77VEKL

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/FQ77VEKL63RXM3V7I7UQ3LNGNN \
  | 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: 2c3ffa914bf6e3766ebf47e90dada66b64a373477fc5eefb79b111844b4e5400

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "259a1245c81cd325373637bfcff3313f55aab07c0462dbf7877fa5c4e637aa31",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2015-04-20T20:01:20Z",
    "title_canon_sha256": "67c5b53111ccc81758e7a4c8eee7ac93a5f4021354e9b896c989b3fc99e5f6fb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.05197",
    "kind": "arxiv",
    "version": 1
  }
}