Pith Number

pith:C5B54RU4

pith:2017:C5B54RU4OQ6JSOWQ2BGCYNUHRC

not attested not anchored not stored refs pending

SU(2) graph invariants, Regge actions and polytopes

Giorgio Sarno, Marco Fanizza, Pietro Don\`a, Simone Speziale

arxiv:1708.01727 v3 · 2017-08-05 · gr-qc · 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{C5B54RU4OQ6JSOWQ2BGCYNUHRC}

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	2026-07-05T07:48:41.868612Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1743de469c743c993ad0d04c2c36878898d35202a63807dbea9ac79265a144b7

Aliases

arxiv: 1708.01727 · arxiv_version: 1708.01727v3 · doi: 10.48550/arxiv.1708.01727 · pith_short_12: C5B54RU4OQ6J · pith_short_16: C5B54RU4OQ6JSOWQ · pith_short_8: C5B54RU4

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/C5B54RU4OQ6JSOWQ2BGCYNUHRC \
  | 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: 1743de469c743c993ad0d04c2c36878898d35202a63807dbea9ac79265a144b7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "25ce2f31ce316991a4f77f64d31e05a0285b42098cb06056ff5af0c60dfa519b",
    "cross_cats_sorted": [
      "hep-th",
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2017-08-05T08:06:17Z",
    "title_canon_sha256": "e08d2ef6b5be70b5c3ace30b514cc7038f5e25919f0299fb41291fadf98bbb09"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1708.01727",
    "kind": "arxiv",
    "version": 3
  }
}