Pith Number

pith:XQRQXLAO

pith:2018:XQRQXLAO6X2YK4MN3ONYCEWJAV

not attested not anchored not stored refs pending

Is Carbon Cycling Keeping Pace with Increases in Atmospheric Carbon Dioxide?

Benjamin Helyer, Michael Courtney

arxiv:1812.10402 v1 · 2018-12-20 · physics.ao-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XQRQXLAO6X2YK4MN3ONYCEWJAV}

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	2026-05-17T23:57:24.165342Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bc230bac0ef5f585718ddb9b8112c905477e6e7a840c202b73e4e1842951d12d

Aliases

arxiv: 1812.10402 · arxiv_version: 1812.10402v1 · doi: 10.48550/arxiv.1812.10402 · pith_short_12: XQRQXLAO6X2Y · pith_short_16: XQRQXLAO6X2YK4MN · pith_short_8: XQRQXLAO

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/XQRQXLAO6X2YK4MN3ONYCEWJAV \
  | 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: bc230bac0ef5f585718ddb9b8112c905477e6e7a840c202b73e4e1842951d12d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c82412dc52a1cbea870bc2598f060965038ae9c406c350856fe8b65f17156f31",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.ao-ph",
    "submitted_at": "2018-12-20T13:22:15Z",
    "title_canon_sha256": "523fa9bedd7c211b9d516f406515df9896b1f5f6d2d27c4d890893360b9f6b25"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.10402",
    "kind": "arxiv",
    "version": 1
  }
}