Pith Number

pith:EEFYZQVI

pith:2009:EEFYZQVI46GWIRS23P7KD3FUB5

not attested not anchored not stored refs pending

The Earth as an extrasolar planet: The vegetation spectral signature today and during the last Quaternary climatic extrema

Fran\c{c}ois-Marie Br\'eon (CEA-DSM-LSCE), Luc Arnold (OHP), Simon Brewer (CEREGE)

arxiv:0901.1214 v1 · 2009-01-09 · 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{EEFYZQVI46GWIRS23P7KD3FUB5}

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	2026-05-18T02:15:02.819152Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

210b8cc2a8e78d64465adbfea1ecb40f61f485f6aaaaf70a1d08bed6414ab9ac

Aliases

arxiv: 0901.1214 · arxiv_version: 0901.1214v1 · doi: 10.48550/arxiv.0901.1214 · pith_short_12: EEFYZQVI46GW · pith_short_16: EEFYZQVI46GWIRS2 · pith_short_8: EEFYZQVI

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/EEFYZQVI46GWIRS23P7KD3FUB5 \
  | 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: 210b8cc2a8e78d64465adbfea1ecb40f61f485f6aaaaf70a1d08bed6414ab9ac

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "de8b4aff39e473b2a1c7c3ee0a5145e35255d879504ba6046fac0925630fa3e9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2009-01-09T10:33:29Z",
    "title_canon_sha256": "07d3c0ae00a57bfa6b202117bcf97bb619e7cdeb3ae549caf5f00adc61891c91"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0901.1214",
    "kind": "arxiv",
    "version": 1
  }
}