Pith Number

pith:CT62CICA

pith:2013:CT62CICAUHRXTO3F7HHUBS33KX

not attested not anchored not stored refs pending

Topological games and productively countably tight spaces

Angelo Bella, Leandro F. Aurichi

arxiv:1307.7928 v3 · 2013-07-30 · 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{CT62CICAUHRXTO3F7HHUBS33KX}

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	2026-05-18T02:54:46.925677Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

14fda12040a1e379bb65f9cf40cb7b55cc6964510382f2805a765f160bbf5f2a

Aliases

arxiv: 1307.7928 · arxiv_version: 1307.7928v3 · doi: 10.48550/arxiv.1307.7928 · pith_short_12: CT62CICAUHRX · pith_short_16: CT62CICAUHRXTO3F · pith_short_8: CT62CICA

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/CT62CICAUHRXTO3F7HHUBS33KX \
  | 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: 14fda12040a1e379bb65f9cf40cb7b55cc6964510382f2805a765f160bbf5f2a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b9cc71a4ebce26b7f466b7a40af2961074ef8a860ee419ffe25b22900b5bd125",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GN",
    "submitted_at": "2013-07-30T11:56:40Z",
    "title_canon_sha256": "9aa733e05e30a5a308ef6f9358adaaeef0af5d4e9ed25061235acc64dfe10d52"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.7928",
    "kind": "arxiv",
    "version": 3
  }
}