Pith Number

pith:YPD6ERHO

pith:2017:YPD6ERHON3HUTZYJ5DB7WVO3VM

not attested not anchored not stored refs pending

Faddeev-Jackiw quantization of topological invariants: Euler and Pontryagin classes

Alberto Escalante, Carlos Medel-Portugal (Puebla U., Inst. Fis.)

arxiv:1711.11437 v1 · 2017-11-28 · 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{YPD6ERHON3HUTZYJ5DB7WVO3VM}

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	2026-05-18T00:19:24.866467Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c3c7e244ee6ecf49e709e8c3fb55dbab0257beabfd41390d69d037af15d04f4b

Aliases

arxiv: 1711.11437 · arxiv_version: 1711.11437v1 · doi: 10.48550/arxiv.1711.11437 · pith_short_12: YPD6ERHON3HU · pith_short_16: YPD6ERHON3HUTZYJ · pith_short_8: YPD6ERHO

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/YPD6ERHON3HUTZYJ5DB7WVO3VM \
  | 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: c3c7e244ee6ecf49e709e8c3fb55dbab0257beabfd41390d69d037af15d04f4b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bad7ca575da4b00f08c52954971ddefe0453765891b0890421aca59b37d77643",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2017-11-28T23:50:15Z",
    "title_canon_sha256": "5b5c0c1550e32cdbd212d886c1d0f28d14fa07c1c1dfefeddb2beede19fedf46"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1711.11437",
    "kind": "arxiv",
    "version": 1
  }
}