Pith Number

pith:IYDDMRG6

pith:2019:IYDDMRG6TCKD6WFRWMSV22IBOF

not attested not anchored not stored refs pending

Uniqueness of the hyperspaces $C(p,X)$ in the class of trees

Florencio Corona-V\'azquez, Javier S\'anchez-Mart\'inez, Rosemberg Toal\'a-Enr\'iquez, Russell Aar\'on Qui\~nones-Estrella

arxiv:1908.06202 v1 · 2019-08-16 · 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{IYDDMRG6TCKD6WFRWMSV22IBOF}

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	2026-07-05T00:17:54.652842Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

46063644de98943f58b1b3255d6901714a6b6fbc9e9cfe01d7ac5dbae64e8fb5

Aliases

arxiv: 1908.06202 · arxiv_version: 1908.06202v1 · doi: 10.48550/arxiv.1908.06202 · pith_short_12: IYDDMRG6TCKD · pith_short_16: IYDDMRG6TCKD6WFR · pith_short_8: IYDDMRG6

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/IYDDMRG6TCKD6WFRWMSV22IBOF \
  | 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: 46063644de98943f58b1b3255d6901714a6b6fbc9e9cfe01d7ac5dbae64e8fb5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "232707326cc9eb8a9d98fb7d532b7b8bd567f6a82c7fe95804600fae021546b1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GN",
    "submitted_at": "2019-08-16T22:56:49Z",
    "title_canon_sha256": "8c1f0fa005294a1e5b6aecd2fd284e22d5ca19b6e94ea2ce5694c8ac2f51f84d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.06202",
    "kind": "arxiv",
    "version": 1
  }
}