Pith Number

pith:3MGSVW5A

pith:2025:3MGSVW5AFD4JIEWE6354BXOW33

not attested not anchored not stored refs pending

A low cost singular value decomposition based data assimilation technique for analysis of heterogeneous combustion data

Ashton Hetherington, Laura Saavedra Sago, Prajith Pillai, Soledad Le Clainche

arxiv:2503.24064 v1 · 2025-03-31 · 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{3MGSVW5AFD4JIEWE6354BXOW33}

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	2026-07-05T10:42:03.954251Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

db0d2adba028f89412c4f6fbc0ddd6dec84f2cb1cc6e9f4bc7b2a96d398efc0b

Aliases

arxiv: 2503.24064 · arxiv_version: 2503.24064v1 · doi: 10.48550/arxiv.2503.24064 · pith_short_12: 3MGSVW5AFD4J · pith_short_16: 3MGSVW5AFD4JIEWE · pith_short_8: 3MGSVW5A

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/3MGSVW5AFD4JIEWE6354BXOW33 \
  | 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: db0d2adba028f89412c4f6fbc0ddd6dec84f2cb1cc6e9f4bc7b2a96d398efc0b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eb5ecef30887548ff444aba0046c4949ca6ff00e431ee412e2fd1db4f68a157b",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.flu-dyn",
    "submitted_at": "2025-03-31T13:24:03Z",
    "title_canon_sha256": "069a60f035595c773f122eeba171f730c23f008f69b6d2c8b228cbe2be5530d6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2503.24064",
    "kind": "arxiv",
    "version": 1
  }
}