Pith Number

pith:VQUEJITF

pith:2019:VQUEJITFBYVLDCVNT72KLRZRAR

not attested not anchored not stored refs pending

Planet and star synergy at high spectral resolution. A rationale for the characterisation of exoplanet atmospheres. I. The Infrared

A. Chiavassa, M. Brogi

arxiv:1909.11807 v1 · 2019-09-25 · astro-ph.EP · 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{VQUEJITFBYVLDCVNT72KLRZRAR}

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	2026-07-05T00:15:40.861490Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ac2844a2650e2ab18aad9ff4a5c7310469aadaecfebfbdaeb34e0825880defaf

Aliases

arxiv: 1909.11807 · arxiv_version: 1909.11807v1 · doi: 10.48550/arxiv.1909.11807 · pith_short_12: VQUEJITFBYVL · pith_short_16: VQUEJITFBYVLDCVN · pith_short_8: VQUEJITF

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/VQUEJITFBYVLDCVNT72KLRZRAR \
  | 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: ac2844a2650e2ab18aad9ff4a5c7310469aadaecfebfbdaeb34e0825880defaf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c5b609f77175d7c5ea5e059563a18ab0637f146c861314fb7af0b8b4fd039f7e",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2019-09-25T23:00:18Z",
    "title_canon_sha256": "065780f2628bba3034bfb057b950eb32ca0ae5586137ccb4f4dee2dc9eddd1e0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1909.11807",
    "kind": "arxiv",
    "version": 1
  }
}