Pith Number

pith:DS4A3TK3

pith:2012:DS4A3TK3NG5HUE5O4ENOJKJBJT

not attested not anchored not stored refs pending

Bohr-Sommerfeld Quantization of Space

Eugenio Bianchi, Hal M. Haggard

arxiv:1208.2228 v1 · 2012-08-10 · gr-qc · 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{DS4A3TK3NG5HUE5O4ENOJKJBJT}

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.

Cited by

1 paper in Pith

Spinfoams, $\gamma$-duality and parity violation in primordial gravitational waves

Receipt and verification

First computed	2026-05-18T02:58:46.590948Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1cb80dcd5b69ba7a13aee11ae4a9214cde44be65213f6af75ac5626217b2f9cf

Aliases

arxiv: 1208.2228 · arxiv_version: 1208.2228v1 · doi: 10.48550/arxiv.1208.2228 · pith_short_12: DS4A3TK3NG5H · pith_short_16: DS4A3TK3NG5HUE5O · pith_short_8: DS4A3TK3

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/DS4A3TK3NG5HUE5O4ENOJKJBJT \
  | 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: 1cb80dcd5b69ba7a13aee11ae4a9214cde44be65213f6af75ac5626217b2f9cf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5a5d20e1cae05ce5cd14da9f5b2af2bc836ebec7b13f2aeefb6b49ca4bad2b3f",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2012-08-10T17:40:46Z",
    "title_canon_sha256": "eec9d6d9aa616912972753a39c37063ce69e204ab903838573e38006a27d2648"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1208.2228",
    "kind": "arxiv",
    "version": 1
  }
}