Pith Number

pith:6ZCPF2QB

pith:2019:6ZCPF2QBJJQHBII4FEA2O4REUA

not attested not anchored not stored refs pending

A study of topological structures on equi-continuous mappings

Ankit Gupta, Ratna Dev Sarma

arxiv:2001.00518 v1 · 2019-12-24 · math.GM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6ZCPF2QBJJQHBII4FEA2O4REUA}

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	2026-07-05T00:29:24.971572Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f644f2ea014a6070a11c2901a77224a01ecb1f474c69aa1e18ae39267dc90367

Aliases

arxiv: 2001.00518 · arxiv_version: 2001.00518v1 · doi: 10.48550/arxiv.2001.00518 · pith_short_12: 6ZCPF2QBJJQH · pith_short_16: 6ZCPF2QBJJQHBII4 · pith_short_8: 6ZCPF2QB

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/6ZCPF2QBJJQHBII4FEA2O4REUA \
  | 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: f644f2ea014a6070a11c2901a77224a01ecb1f474c69aa1e18ae39267dc90367

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9792aaba41efceb6fa9d72622b80e9626daff3bb1dc8e7317978229065f0b61f",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/publicdomain/zero/1.0/",
    "primary_cat": "math.GM",
    "submitted_at": "2019-12-24T06:16:20Z",
    "title_canon_sha256": "ec62542f684e137912e4188b70b067cf3c372b267b37fe60b82c0e38e5dc3d54"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2001.00518",
    "kind": "arxiv",
    "version": 1
  }
}