Pith Number

pith:QQGQWG6D

pith:2015:QQGQWG6DEPF6E6MCBECQIT46JY

not attested not anchored not stored refs pending

Semi-calibrated 2-currents are pseudo holomorphic, with applications

Costante Bellettini

arxiv:1507.06542 v1 · 2015-07-23 · math.AP · 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{QQGQWG6DEPF6E6MCBECQIT46JY}

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	2026-05-18T01:36:24.682662Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

840d0b1bc323cbe279820905044f9e4e2f0f4dff99c3bc05d44ddf624878a1d9

Aliases

arxiv: 1507.06542 · arxiv_version: 1507.06542v1 · doi: 10.48550/arxiv.1507.06542 · pith_short_12: QQGQWG6DEPF6 · pith_short_16: QQGQWG6DEPF6E6MC · pith_short_8: QQGQWG6D

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/QQGQWG6DEPF6E6MCBECQIT46JY \
  | 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: 840d0b1bc323cbe279820905044f9e4e2f0f4dff99c3bc05d44ddf624878a1d9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2014cc1bcaa18ff90efc4763a274ec0b7129814c4c1c465ddce9670bd476a01d",
    "cross_cats_sorted": [
      "math.DG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2015-07-23T15:50:00Z",
    "title_canon_sha256": "724852442fbc4bd2c6e0eca9312489e70abcbc1158fe2d28039bb02362fb7312"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.06542",
    "kind": "arxiv",
    "version": 1
  }
}