Pith Number

pith:ISHMB4FS

pith:2017:ISHMB4FSZUSIOURVFZO4IUCO73

not attested not anchored not stored refs pending

On pairs of geometric foliations on a cuspidal edge

Kentaro Saji

arxiv:1703.08903 v1 · 2017-03-27 · math.GT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ISHMB4FSZUSIOURVFZO4IUCO73}

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	2026-05-18T00:47:55.205879Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

448ec0f0b2cd248752352e5dc4504efee519a3b9c7fc63e488ba16639b3b4a79

Aliases

arxiv: 1703.08903 · arxiv_version: 1703.08903v1 · doi: 10.48550/arxiv.1703.08903 · pith_short_12: ISHMB4FSZUSI · pith_short_16: ISHMB4FSZUSIOURV · pith_short_8: ISHMB4FS

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/ISHMB4FSZUSIOURVFZO4IUCO73 \
  | 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: 448ec0f0b2cd248752352e5dc4504efee519a3b9c7fc63e488ba16639b3b4a79

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e93c94d7b91e23bf11ee79a09e92db5433bf335e982fa369cb0f87d3cc53731c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GT",
    "submitted_at": "2017-03-27T02:27:56Z",
    "title_canon_sha256": "b897bc98b21bc8f0f9f2ae4a0aa4f5424d331691497b163d36ac5f05ff20d463"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.08903",
    "kind": "arxiv",
    "version": 1
  }
}