Pith Number

pith:FXI43KZB

pith:2018:FXI43KZBQ7GHPYXISMHJC3GF74

not attested not anchored not stored refs pending

$^{39}$Ar dating with small samples resolves ocean ventilation

A. Kersting, L. Ringena, M. K. Oberthaler, M. Schmidt, S. Ebser, T. St\"oven, T. Tanhua, W. Aeschbach, Z. Feng

arxiv:1807.11146 v1 · 2018-07-30 · physics.ao-ph · physics.app-ph · physics.atom-ph · physics.ins-det

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FXI43KZBQ7GHPYXISMHJC3GF74}

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	2026-05-18T00:09:32.808721Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2dd1cdab2187cc77e2e8930e916cc5ff3779da169796a522e5c9c6dd96cb31e2

Aliases

arxiv: 1807.11146 · arxiv_version: 1807.11146v1 · doi: 10.48550/arxiv.1807.11146 · pith_short_12: FXI43KZBQ7GH · pith_short_16: FXI43KZBQ7GHPYXI · pith_short_8: FXI43KZB

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/FXI43KZBQ7GHPYXISMHJC3GF74 \
  | 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: 2dd1cdab2187cc77e2e8930e916cc5ff3779da169796a522e5c9c6dd96cb31e2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ffebef215b5e06fcc109cd8d767f878ea2671aff0dda08d02997f27974653456",
    "cross_cats_sorted": [
      "physics.app-ph",
      "physics.atom-ph",
      "physics.ins-det"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.ao-ph",
    "submitted_at": "2018-07-30T02:31:31Z",
    "title_canon_sha256": "2e6efcabc3c73ee93ce7b989a49df047d7c4398318e382a88559c5fad858d132"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.11146",
    "kind": "arxiv",
    "version": 1
  }
}