Pith Number

pith:FL7UMJVP

pith:2002:FL7UMJVPMJMSQXNUSMWOZFNGSC

not attested not anchored not stored refs pending

A Geometric Algorithm to construct new solitons in the O(3) Nonlinear Sigma Model

Manuel Barros

arxiv:hep-th/0211143 v1 · 2002-11-15 · hep-th

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FL7UMJVPMJMSQXNUSMWOZFNGSC}

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	2026-05-18T04:35:23.459046Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2aff4626af6259285db4932cec95a690b87caaa29b90ee40de82442aa85e8c40

Aliases

arxiv: hep-th/0211143 · arxiv_version: hep-th/0211143v1 · doi: 10.48550/arxiv.hep-th/0211143 · pith_short_12: FL7UMJVPMJMS · pith_short_16: FL7UMJVPMJMSQXNU · pith_short_8: FL7UMJVP

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/FL7UMJVPMJMSQXNUSMWOZFNGSC \
  | 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: 2aff4626af6259285db4932cec95a690b87caaa29b90ee40de82442aa85e8c40

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0f0fe224040983fe27bb462c3b44a6adefab734ad3f43c046af7bdf701874ee6",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "hep-th",
    "submitted_at": "2002-11-15T12:47:12Z",
    "title_canon_sha256": "44eeaf0420ed5d31dfcffc94b86e0c7396a458309f06f51e5c0dd328c199ed35"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-th/0211143",
    "kind": "arxiv",
    "version": 1
  }
}