Pith Number

pith:JOZYS2XJ

pith:2019:JOZYS2XJSFYGWFULP3GQQ6T5FC

not attested not anchored not stored refs pending

Algebraic Topology of Special Lagrangian Manifolds

Ey\"up Yal\c{c}{\i}nkaya, Mustafa Kalafat

arxiv:1904.04356 v1 · 2019-04-08 · math.AT · 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{JOZYS2XJSFYGWFULP3GQQ6T5FC}

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	2026-05-17T23:48:59.208154Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4bb3896ae991706b168b7ecd087a7d28acec37dcf190f5ee2341bb5ed764a4fd

Aliases

arxiv: 1904.04356 · arxiv_version: 1904.04356v1 · doi: 10.48550/arxiv.1904.04356 · pith_short_12: JOZYS2XJSFYG · pith_short_16: JOZYS2XJSFYGWFUL · pith_short_8: JOZYS2XJ

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/JOZYS2XJSFYGWFULP3GQQ6T5FC \
  | 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: 4bb3896ae991706b168b7ecd087a7d28acec37dcf190f5ee2341bb5ed764a4fd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a331d6449334c3183025988cf449e71c83586428d220075afe6147075e3e74b0",
    "cross_cats_sorted": [
      "math.DG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AT",
    "submitted_at": "2019-04-08T21:09:30Z",
    "title_canon_sha256": "235ed90b17c9b78c2e5ecf647ed748dd30aa8bc9a0ee0ecae5dbb4d935b36a18"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.04356",
    "kind": "arxiv",
    "version": 1
  }
}