Pith Number

pith:L243OUIL

pith:2013:L243OUILHNUDSIJVL2Z5TEKUHK

not attested not anchored not stored refs pending

A note on symplectic topology of $b$-manifolds

David Mart\'inez Torres, Eva Miranda, Pedro Frejlich

arxiv:1312.7329 v2 · 2013-12-27 · 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{L243OUILHNUDSIJVL2Z5TEKUHK}

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	2026-05-18T00:23:57.620680Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5eb9b7510b3b683921355eb3d991543aad41d94dc561ade3301cc95559c5cf94

Aliases

arxiv: 1312.7329 · arxiv_version: 1312.7329v2 · doi: 10.48550/arxiv.1312.7329 · pith_short_12: L243OUILHNUD · pith_short_16: L243OUILHNUDSIJV · pith_short_8: L243OUIL

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/L243OUILHNUDSIJVL2Z5TEKUHK \
  | 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: 5eb9b7510b3b683921355eb3d991543aad41d94dc561ade3301cc95559c5cf94

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "852ae0854d2de2a95d10c8a8522771d05a9dd929b947f1877212f9adda0bd174",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.SG",
    "submitted_at": "2013-12-27T20:14:11Z",
    "title_canon_sha256": "7908ba296f105a8cac1c9ded81e67e6b3d1fa756fc1e5ea49cda20b36d9379e9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1312.7329",
    "kind": "arxiv",
    "version": 2
  }
}