Pith Number

pith:DFRBJWLX

pith:2013:DFRBJWLXLKPDPNVUHHQIFN5LGS

not attested not anchored not stored refs pending

Harmonic structures and intrinsic torsion

Diego Conti, Thomas Bruun Madsen

arxiv:1308.4083 v2 · 2013-08-19 · math.DG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DFRBJWLXLKPDPNVUHHQIFN5LGS}

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	2026-05-18T01:36:02.201856Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

196214d9775a9e37b6b439e082b7ab34a918abec18a54037aaca2d1445f97af1

Aliases

arxiv: 1308.4083 · arxiv_version: 1308.4083v2 · doi: 10.48550/arxiv.1308.4083 · pith_short_12: DFRBJWLXLKPD · pith_short_16: DFRBJWLXLKPDPNVU · pith_short_8: DFRBJWLX

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/DFRBJWLXLKPDPNVUHHQIFN5LGS \
  | 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: 196214d9775a9e37b6b439e082b7ab34a918abec18a54037aaca2d1445f97af1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eb664ff0fc55998dc7f884cf271beeb06defc7376a6cf701ba9b9c22a9009681",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2013-08-19T17:47:46Z",
    "title_canon_sha256": "38458d0bc535275e1c6d236f78eac94a9caa1e2ac5acb89a388668eb128acd5b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1308.4083",
    "kind": "arxiv",
    "version": 2
  }
}