Pith Number

pith:NW5UQURY

pith:2011:NW5UQURYLCQNJD4LHRO43JS4MY

not attested not anchored not stored refs pending

A note on exact forms on almost complex manifolds

Tedi Draghici, Weiyi Zhang

arxiv:1111.7287 v1 · 2011-11-30 · math.SG · 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{NW5UQURYLCQNJD4LHRO43JS4MY}

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	2026-05-18T04:07:18.212916Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6dbb48523858a0d48f8b3c5dcda65c663016bc24cd887fdd5be69c8de1125b57

Aliases

arxiv: 1111.7287 · arxiv_version: 1111.7287v1 · doi: 10.48550/arxiv.1111.7287 · pith_short_12: NW5UQURYLCQN · pith_short_16: NW5UQURYLCQNJD4L · pith_short_8: NW5UQURY

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/NW5UQURYLCQNJD4LHRO43JS4MY \
  | 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: 6dbb48523858a0d48f8b3c5dcda65c663016bc24cd887fdd5be69c8de1125b57

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fb257d580e15eb645489a60f4c75c548668dcd0aaa4f2fd91934651fdbe3d022",
    "cross_cats_sorted": [
      "math.DG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.SG",
    "submitted_at": "2011-11-30T19:46:05Z",
    "title_canon_sha256": "5c2f73d01898b2af0e23b91b5618776bc5fb45b64b32ebf2e2ed7588f9c79a78"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1111.7287",
    "kind": "arxiv",
    "version": 1
  }
}