Pith Number

pith:3INT3HZ6

pith:2014:3INT3HZ6SEHOJXM5LHPS34Q25Q

not attested not anchored not stored refs pending

Homotopy classification of contact foliations on an open contact manifold

Mahuya Datta, Sauvik Mukherjee

arxiv:1402.4637 v3 · 2014-02-19 · 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{3INT3HZ6SEHOJXM5LHPS34Q25Q}

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	2026-05-18T02:38:46.151200Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

da1b3d9f3e910ee4dd9d59df2df21aec2d3490d1c8dafd2e1855583e24bb35f5

Aliases

arxiv: 1402.4637 · arxiv_version: 1402.4637v3 · doi: 10.48550/arxiv.1402.4637 · pith_short_12: 3INT3HZ6SEHO · pith_short_16: 3INT3HZ6SEHOJXM5 · pith_short_8: 3INT3HZ6

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/3INT3HZ6SEHOJXM5LHPS34Q25Q \
  | 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: da1b3d9f3e910ee4dd9d59df2df21aec2d3490d1c8dafd2e1855583e24bb35f5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a0486944d75b78241b1b44d5b05f88dbc6def6bc4c098fc5d050c71149cf260c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2014-02-19T12:26:40Z",
    "title_canon_sha256": "0370222e3d9c300b4e14e7de1ef0023cbe0e86f2bfbde35964ba2df2c4d26dab"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1402.4637",
    "kind": "arxiv",
    "version": 3
  }
}