Pith Number

pith:AOXSUNBR

pith:2013:AOXSUNBRZU7AB5Q67YS5RUBJLK

not attested not anchored not stored refs pending

No unique quadratic ephemeris for VW Cep

J.P. De Greve, N. Mennekens, W. Van Rensbergen

arxiv:1306.2180 v1 · 2013-06-10 · 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{AOXSUNBRZU7AB5Q67YS5RUBJLK}

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	2026-05-18T03:21:22.135128Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

03af2a3431cd3e00f61efe25d8d0295a8268b7bcdaf16b718e6b998e08dc0919

Aliases

arxiv: 1306.2180 · arxiv_version: 1306.2180v1 · doi: 10.48550/arxiv.1306.2180 · pith_short_12: AOXSUNBRZU7A · pith_short_16: AOXSUNBRZU7AB5Q6 · pith_short_8: AOXSUNBR

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/AOXSUNBRZU7AB5Q67YS5RUBJLK \
  | 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: 03af2a3431cd3e00f61efe25d8d0295a8268b7bcdaf16b718e6b998e08dc0919

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3bf2957161b0f58b2a154baacb2a03ea0b623b965d14eac49737474aef102e1b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2013-06-10T12:26:50Z",
    "title_canon_sha256": "5d388f75fb9d2cc72c3f817060079597dfda7383d93ea0fd2436456be7f69fdd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1306.2180",
    "kind": "arxiv",
    "version": 1
  }
}