Pith Number

pith:OUFAI6AI

pith:2015:OUFAI6AIRF75Y6UPRRETVKKBNI

not attested not anchored not stored refs pending

Data-assimilation by delay-coordinate nudging

A. Carrassi, D. Paz\'o, J. M. L\'opez

arxiv:1510.07884 v2 · 2015-10-27 · physics.ao-ph · nlin.CD

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OUFAI6AIRF75Y6UPRRETVKKBNI}

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	2026-05-18T01:23:07.951618Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

750a047808897fdc7a8f8c493aa9416a2394fb6b3baeab03adf8673f76ef7f6e

Aliases

arxiv: 1510.07884 · arxiv_version: 1510.07884v2 · doi: 10.48550/arxiv.1510.07884 · pith_short_12: OUFAI6AIRF75 · pith_short_16: OUFAI6AIRF75Y6UP · pith_short_8: OUFAI6AI

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/OUFAI6AIRF75Y6UPRRETVKKBNI \
  | 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: 750a047808897fdc7a8f8c493aa9416a2394fb6b3baeab03adf8673f76ef7f6e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1f3eed2093fa387ebcb1291b163348c7a630cf6fc9dd962206a6e897655dbe3f",
    "cross_cats_sorted": [
      "nlin.CD"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.ao-ph",
    "submitted_at": "2015-10-27T12:34:50Z",
    "title_canon_sha256": "92725767db50804a28fc8559a62f860898b5113fa4b60992806caef88ca20901"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1510.07884",
    "kind": "arxiv",
    "version": 2
  }
}