Pith Number

pith:7DIGJPU4

pith:2021:7DIGJPU4ASICA6OKHPTURQ5TPG

not attested not anchored not stored refs pending

Persistent Homology and Graphs Representation Learning

Ghada Zamzmi, Mustafa Hajij, Xuanting Cai

arxiv:2102.12926 v4 · 2021-02-25 · cs.LG · cs.CG · cs.CV · math.AT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7DIGJPU4ASICA6OKHPTURQ5TPG}

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.

Cited by

1 paper in Pith

Positional Encoding meets Persistent Homology on Graphs

Receipt and verification

First computed	2026-07-05T03:21:08.589012Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f8d064be9c04902079ca3be748c3b3799bf67fdbcbb2e34ee4b84eb4478b30bc

Aliases

arxiv: 2102.12926 · arxiv_version: 2102.12926v4 · doi: 10.48550/arxiv.2102.12926 · pith_short_12: 7DIGJPU4ASIC · pith_short_16: 7DIGJPU4ASICA6OK · pith_short_8: 7DIGJPU4

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/7DIGJPU4ASICA6OKHPTURQ5TPG \
  | 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: f8d064be9c04902079ca3be748c3b3799bf67fdbcbb2e34ee4b84eb4478b30bc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "de5fd2eb0217682ae8493528562587e17e449e7cbdf45b4fc5ee044da512aaa9",
    "cross_cats_sorted": [
      "cs.CG",
      "cs.CV",
      "math.AT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2021-02-25T15:26:21Z",
    "title_canon_sha256": "320045ebb4d48b8753cd526467a1c0643ba055b70e8e04e166ada9c6ada602e4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2102.12926",
    "kind": "arxiv",
    "version": 4
  }
}