Pith Number

pith:2GKB4JSL

pith:2019:2GKB4JSLR3US5XVD6KZVMGLZIC

not attested not anchored not stored refs pending

Hausdorffness of General Compactifications

C. Ganesa Moorthy, S. Ramkumar

arxiv:1904.02009 v1 · 2019-03-31 · 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{2GKB4JSLR3US5XVD6KZVMGLZIC}

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	2026-05-17T23:49:28.994428Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d1941e264b8ee92edea3f2b356197940aeb15ee75decd861b7deb7dd19519198

Aliases

arxiv: 1904.02009 · arxiv_version: 1904.02009v1 · doi: 10.48550/arxiv.1904.02009 · pith_short_12: 2GKB4JSLR3US · pith_short_16: 2GKB4JSLR3US5XVD · pith_short_8: 2GKB4JSL

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/2GKB4JSLR3US5XVD6KZVMGLZIC \
  | 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: d1941e264b8ee92edea3f2b356197940aeb15ee75decd861b7deb7dd19519198

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "87d977afb1e4b15e1b4397e61644c1304f3f35829fdb8432533ba2ae829317cf",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.GN",
    "submitted_at": "2019-03-31T12:53:23Z",
    "title_canon_sha256": "130683a88499f7523fa07e1da9b154327514b01affbaaac320fd271084f46639"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.02009",
    "kind": "arxiv",
    "version": 1
  }
}