Pith Number

pith:VED4JL3N

pith:2009:VED4JL3NEWRU32XLLCAWCHEFEB

not attested not anchored not stored refs pending

Strongly coupled Skyrme-Faddeev-Niemi hopfions

A. Wereszczynski, C. Adam, J. Sanchez-Guillen, T. Romanczukiewicz

arxiv:0911.3673 v3 · 2009-11-19 · hep-th · math-ph · math.MP · nlin.SI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VED4JL3NEWRU32XLLCAWCHEFEB}

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	2026-05-18T02:34:04.634254Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a907c4af6d25a34deaeb5881611c85205b2c1c45ad7cab52395670b7af18cb51

Aliases

arxiv: 0911.3673 · arxiv_version: 0911.3673v3 · doi: 10.48550/arxiv.0911.3673 · pith_short_12: VED4JL3NEWRU · pith_short_16: VED4JL3NEWRU32XL · pith_short_8: VED4JL3N

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/VED4JL3NEWRU32XLLCAWCHEFEB \
  | 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: a907c4af6d25a34deaeb5881611c85205b2c1c45ad7cab52395670b7af18cb51

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cfcc50e77d929d1a048141de79f695f3958ece86ba487485ce4aa0ef1c5de42c",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP",
      "nlin.SI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2009-11-19T13:16:01Z",
    "title_canon_sha256": "0b00f32e7e1617b7b450f115ec41f2ccc4585b54fcb7060011e1ad5aaad48242"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0911.3673",
    "kind": "arxiv",
    "version": 3
  }
}