Pith Number

pith:VWNNZC76

pith:2018:VWNNZC76PB5AB47JCV2I2W6NK3

not attested not anchored not stored refs pending

The Galactic Thick Disc density profile traced with RR Lyrae stars

A. Katherina Vivas, Cecilia Mateu

arxiv:1802.07798 v2 · 2018-02-21 · astro-ph.GA

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VWNNZC76PB5AB47JCV2I2W6NK3}

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	2026-05-18T00:14:08.392979Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ad9adc8bfe787a00f3e915748d5bcd56c1c82713453e4c1120f47b466dc5e78f

Aliases

arxiv: 1802.07798 · arxiv_version: 1802.07798v2 · doi: 10.48550/arxiv.1802.07798 · pith_short_12: VWNNZC76PB5A · pith_short_16: VWNNZC76PB5AB47J · pith_short_8: VWNNZC76

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/VWNNZC76PB5AB47JCV2I2W6NK3 \
  | 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: ad9adc8bfe787a00f3e915748d5bcd56c1c82713453e4c1120f47b466dc5e78f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "917a412c356f73927a30c345c21204bcd8625ac37abe71494665a917c2b9fd8d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-02-21T20:45:39Z",
    "title_canon_sha256": "4b766af7a7fe48622194633c5a1149d663c8192b196c6057781edcb2ca12d38e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.07798",
    "kind": "arxiv",
    "version": 2
  }
}