Pith Number

pith:SI72I77R

pith:2012:SI72I77RUDUBCFOCB46W7CB3EK

not attested not anchored not stored refs pending

Helical buckling of Skyrme-Faddeev solitons

David Foster, Derek Harland

arxiv:1202.3988 v1 · 2012-02-17 · hep-th · math-ph · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SI72I77RUDUBCFOCB46W7CB3EK}

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	2026-05-18T03:36:26.991913Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

923fa47ff1a0e81115c20f3d6f883b22bbbfcb78d33ad3a312de9eb8375bef33

Aliases

arxiv: 1202.3988 · arxiv_version: 1202.3988v1 · doi: 10.48550/arxiv.1202.3988 · pith_short_12: SI72I77RUDUB · pith_short_16: SI72I77RUDUBCFOC · pith_short_8: SI72I77R

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/SI72I77RUDUBCFOCB46W7CB3EK \
  | 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: 923fa47ff1a0e81115c20f3d6f883b22bbbfcb78d33ad3a312de9eb8375bef33

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f8a4f6f43b0f7388ecfaa868354b40493bcc6a40d564bfd849a091405d2c6784",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2012-02-17T18:41:48Z",
    "title_canon_sha256": "eb0d0d5a81437ab15ce32ecd5508819399cde8f5d00ae770c71bfa4066680b0f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1202.3988",
    "kind": "arxiv",
    "version": 1
  }
}