Pith Number

pith:CQGUAK7T

pith:2009:CQGUAK7TZG4T3OCZOBL6GJ66Z6

not attested not anchored not stored refs pending

Some explicit constructions of Dirac-harmonic maps

Juergen Jost, Miaomiao Zhu, Xiaohuan Mo

arxiv:0908.3414 v1 · 2009-08-24 · math.DG · 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{CQGUAK7TZG4T3OCZOBL6GJ66Z6}

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	2026-05-18T04:32:00.793415Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

140d402bf3c9b93db8597057e327decfacf0dec6b12dcb9f784b5a2e7517f39d

Aliases

arxiv: 0908.3414 · arxiv_version: 0908.3414v1 · doi: 10.48550/arxiv.0908.3414 · pith_short_12: CQGUAK7TZG4T · pith_short_16: CQGUAK7TZG4T3OCZ · pith_short_8: CQGUAK7T

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/CQGUAK7TZG4T3OCZOBL6GJ66Z6 \
  | 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: 140d402bf3c9b93db8597057e327decfacf0dec6b12dcb9f784b5a2e7517f39d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7be40d3a912ea0a025e7636bb93e5c1ba55f552d6440bdae0be18b36f919bdf7",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2009-08-24T11:47:38Z",
    "title_canon_sha256": "14ecfeb6e4bc191a9c5ca81c3221f307092bc9f9b3135b8a67755bb02816805b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0908.3414",
    "kind": "arxiv",
    "version": 1
  }
}