Pith Number

pith:4ZCUDYOY

pith:2017:4ZCUDYOYIDTEGJJJG6HTQEOSPI

not attested not anchored not stored refs pending

Lagrangian Numerical Methods for Ocean Biogeochemical Simulations

Francesco Paparella, Marina Popolizio

arxiv:1707.07973 v1 · 2017-07-25 · physics.comp-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{4ZCUDYOYIDTEGJJJG6HTQEOSPI}

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	2026-05-18T00:21:27.541036Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e64541e1d840e6432529378f3811d27a0f51b098887a2194567ef7d1e67a6b4f

Aliases

arxiv: 1707.07973 · arxiv_version: 1707.07973v1 · doi: 10.48550/arxiv.1707.07973 · pith_short_12: 4ZCUDYOYIDTE · pith_short_16: 4ZCUDYOYIDTEGJJJ · pith_short_8: 4ZCUDYOY

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/4ZCUDYOYIDTEGJJJG6HTQEOSPI \
  | 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: e64541e1d840e6432529378f3811d27a0f51b098887a2194567ef7d1e67a6b4f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "515c6da61b24a77526b40b5244e66ae203aed1405465400cdc1c0ce55e0de141",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-sa/4.0/",
    "primary_cat": "physics.comp-ph",
    "submitted_at": "2017-07-25T13:06:49Z",
    "title_canon_sha256": "f61d3ac80b00eeaa153ddf20750b30d2c1d6bbba45c1b005fe5e11ac59944cf3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1707.07973",
    "kind": "arxiv",
    "version": 1
  }
}