Pith Number

pith:IOYGVE5S

pith:2016:IOYGVE5SV27RWMSN552RU7BUDK

not attested not anchored not stored refs pending

Limits of Riemannian 4-manifolds and the symplectic geometry of their twistor spaces

Joel Fine

arxiv:1602.03829 v2 · 2016-02-11 · math.DG · math.SG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IOYGVE5SV27RWMSN552RU7BUDK}

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	2026-05-18T00:45:08.430490Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

43b06a93b2aebf1b324def751a7c341a9868d34136facdc7fb9bbb80856e7fc9

Aliases

arxiv: 1602.03829 · arxiv_version: 1602.03829v2 · doi: 10.48550/arxiv.1602.03829 · pith_short_12: IOYGVE5SV27R · pith_short_16: IOYGVE5SV27RWMSN · pith_short_8: IOYGVE5S

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/IOYGVE5SV27RWMSN552RU7BUDK \
  | 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: 43b06a93b2aebf1b324def751a7c341a9868d34136facdc7fb9bbb80856e7fc9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "22c03a3b45c91bd39f6d09901671d6f21c9204fbdba669b8e2fc9aa1f98f9d77",
    "cross_cats_sorted": [
      "math.SG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2016-02-11T19:13:34Z",
    "title_canon_sha256": "0aa51491cf4997e678a922270e86733859efb9983fdf039e66325fabbc4e2319"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1602.03829",
    "kind": "arxiv",
    "version": 2
  }
}