Pith Number

pith:O5TUOQRZ

pith:2026:O5TUOQRZBEZW3OX4FBODRT3RDV

not attested not anchored not stored refs pending

A high-fidelity numerical database for free-stream transition

Louenas Zemmour, Paola Cinnella, Xavier Gloerfelt

arxiv:2606.20139 v1 · 2026-06-18 · physics.flu-dyn

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{O5TUOQRZBEZW3OX4FBODRT3RDV}

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	2026-06-19T16:13:03.832533Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

776747423909336dbafc285c38cf711d45b29b35cf0d1312710dedd258f0c727

Aliases

arxiv: 2606.20139 · arxiv_version: 2606.20139v1 · doi: 10.48550/arxiv.2606.20139 · pith_short_12: O5TUOQRZBEZW · pith_short_16: O5TUOQRZBEZW3OX4 · pith_short_8: O5TUOQRZ

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/O5TUOQRZBEZW3OX4FBODRT3RDV \
  | 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: 776747423909336dbafc285c38cf711d45b29b35cf0d1312710dedd258f0c727

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e9d56908b97382bae4e61641f78791a61d84811e2dca5fcf26e8a413ec12b674",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.flu-dyn",
    "submitted_at": "2026-06-18T12:02:35Z",
    "title_canon_sha256": "10ac0d7505d0da510a35b28586387761f7a137ee3ac00497416473d675dadfc7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.20139",
    "kind": "arxiv",
    "version": 1
  }
}