Pith Number

pith:63VGXQHD

pith:2026:63VGXQHDHRMOI2SII6MOZG6TNQ

not attested not anchored not stored refs pending

Velocity Reconstruction from Flow-Induced Magnetic Fields

Bjorn Engquist, Christina Frederick, Yacine Mokhtari, Yunan Yang

arxiv:2602.22097 v2 · 2026-02-25 · math.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{63VGXQHDHRMOI2SII6MOZG6TNQ}

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	2026-06-04T01:08:46.244791Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f6ea6bc0e33c58e46a484798ec9bd36c02e02e17312133c54c020369c39eb973

Aliases

arxiv: 2602.22097 · arxiv_version: 2602.22097v2 · doi: 10.48550/arxiv.2602.22097 · pith_short_12: 63VGXQHDHRMO · pith_short_16: 63VGXQHDHRMOI2SI · pith_short_8: 63VGXQHD

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/63VGXQHDHRMOI2SII6MOZG6TNQ \
  | 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: f6ea6bc0e33c58e46a484798ec9bd36c02e02e17312133c54c020369c39eb973

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "70c26a94ec691e4d792da7f8a8bf66f78268b7ce343bbea4b199f650269f454d",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2026-02-25T16:46:01Z",
    "title_canon_sha256": "86d7579e1c46e199763786cfca323bad0db8a4737546b0499422f90c04622451"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2602.22097",
    "kind": "arxiv",
    "version": 2
  }
}