Pith Number

pith:VPHX52UU

pith:2021:VPHX52UUQSUDTFAI5EVZYWA5DB

not attested not anchored not stored refs pending

Link Prediction with Persistent Homology: An Interactive View

Chao Chen, Liangcai Gao, Tengfei Ma, Zhi Tang, Zuoyu Yan

arxiv:2102.10255 v2 · 2021-02-20 · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VPHX52UUQSUDTFAI5EVZYWA5DB}

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	2026-07-05T02:48:36.156612Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

abcf7eea9484a8399408e92b9c581d18601bbc4ece4f3af3568152a33468d1cc

Aliases

arxiv: 2102.10255 · arxiv_version: 2102.10255v2 · doi: 10.48550/arxiv.2102.10255 · pith_short_12: VPHX52UUQSUD · pith_short_16: VPHX52UUQSUDTFAI · pith_short_8: VPHX52UU

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/VPHX52UUQSUDTFAI5EVZYWA5DB \
  | 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: abcf7eea9484a8399408e92b9c581d18601bbc4ece4f3af3568152a33468d1cc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "425a488f5c4d5b4d96223afac9f34a3d179544c4d4d2d2fa8177887509e35071",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2021-02-20T04:33:59Z",
    "title_canon_sha256": "a5bc98d8a3554060b04d275195eefb8f7eed9f7c5cae75299548525c5f3b042a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2102.10255",
    "kind": "arxiv",
    "version": 2
  }
}