Pith Number

pith:FRQBQCWK

pith:2016:FRQBQCWKYWKOZR4X454NFZVIQ6

not attested not anchored not stored refs pending

Constraint Analysis of Two-Dimensional Quadratic Gravity from BF Theory

C. E. Valc\'arcel

arxiv:1606.07361 v2 · 2016-06-23 · 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{FRQBQCWKYWKOZR4X454NFZVIQ6}

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	2026-05-18T00:55:13.465544Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2c60180acac594ecc797e778d2e6a887b89de3cec6601a9425b38514b586ca1b

Aliases

arxiv: 1606.07361 · arxiv_version: 1606.07361v2 · doi: 10.48550/arxiv.1606.07361 · pith_short_12: FRQBQCWKYWKO · pith_short_16: FRQBQCWKYWKOZR4X · pith_short_8: FRQBQCWK

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/FRQBQCWKYWKOZR4X454NFZVIQ6 \
  | 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: 2c60180acac594ecc797e778d2e6a887b89de3cec6601a9425b38514b586ca1b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5f9eef91f39fd84763d67282c5ecce13c54538044ddde460247713d47a995de9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2016-06-23T16:15:57Z",
    "title_canon_sha256": "863ca1db0ade2f2dad7074504833bc5c93043abdd8f6015d63321a07e5b3b1de"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1606.07361",
    "kind": "arxiv",
    "version": 2
  }
}