Pith Number

pith:EHUR3SR4

pith:2019:EHUR3SR4KKDYO2HXHHHBGB4D6X

not attested not anchored not stored refs pending

Cantor's intersection theorem in the setting of $\mathcal{F}$-metric spaces

Lakshmi Kanta Dey, Sumit Som

arxiv:1903.10001 v1 · 2019-03-24 · math.GN

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EHUR3SR4KKDYO2HXHHHBGB4D6X}

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	2026-05-17T23:50:34.808128Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

21e91dca3c52878768f739ce130783f5ced60120f72ff7ea8def74aa418dc29d

Aliases

arxiv: 1903.10001 · arxiv_version: 1903.10001v1 · doi: 10.48550/arxiv.1903.10001 · pith_short_12: EHUR3SR4KKDY · pith_short_16: EHUR3SR4KKDYO2HX · pith_short_8: EHUR3SR4

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/EHUR3SR4KKDYO2HXHHHBGB4D6X \
  | 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: 21e91dca3c52878768f739ce130783f5ced60120f72ff7ea8def74aa418dc29d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "062438f50b31678b5248b4f7259a29cb505f918ca149a04e60e7a297ed54b0b5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GN",
    "submitted_at": "2019-03-24T15:30:00Z",
    "title_canon_sha256": "a3085ec89a356681758632df90d732ec0039651362a1104181437d2b24aa884c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.10001",
    "kind": "arxiv",
    "version": 1
  }
}