Pith Number

pith:RBVLK4NQ

pith:2019:RBVLK4NQGSII744FMY7YCVTDPT

not attested not anchored not stored refs pending

The Physical Origin of the Venus Low Atmosphere Chemical Gradient

Daniel Cordier, David A. Bonhommeau, Fernando Garcia-Sanchez, Sara Port, Sebastien Lebonnois, Vincent Chevrier

arxiv:1908.07781 v1 · 2019-08-21 · astro-ph.EP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RBVLK4NQGSII744FMY7YCVTDPT}

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	2026-07-04T23:59:01.107134Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

886ab571b034908ff385663f8156637cd399f02192671697e9114cd851308aac

Aliases

arxiv: 1908.07781 · arxiv_version: 1908.07781v1 · doi: 10.48550/arxiv.1908.07781 · pith_short_12: RBVLK4NQGSII · pith_short_16: RBVLK4NQGSII744F · pith_short_8: RBVLK4NQ

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/RBVLK4NQGSII744FMY7YCVTDPT \
  | 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: 886ab571b034908ff385663f8156637cd399f02192671697e9114cd851308aac

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dfbd697da9fd4f86ce541b0ce82e9668b6259405b76d2cd8aadd17368acd93a4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2019-08-21T10:21:35Z",
    "title_canon_sha256": "ce02cc305d8d65e731ec65c5cf9399dde9ea98645c7feb6aabc7c8f0bc170671"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.07781",
    "kind": "arxiv",
    "version": 1
  }
}