Pith Number

pith:QCW3NRY3

pith:2021:QCW3NRY3QQPIBLXOPPX74HOACS

not attested not anchored not stored refs pending

Smart Vectorizations for Single and Multiparameter Persistence

Baris Coskunuzer, Cuneyt Gurcan Akcora, Ignacio Segovia Dominguez, Murat Kantarcioglu, Yulia R. Gel, Zhiwei Zhen

arxiv:2104.04787 v1 · 2021-04-10 · 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{QCW3NRY3QQPIBLXOPPX74HOACS}

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	2026-07-05T02:30:47.668288Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

80adb6c71b841e80aeee7beffe1dc014b4357d56397b2e54ade2c56be31c0903

Aliases

arxiv: 2104.04787 · arxiv_version: 2104.04787v1 · doi: 10.48550/arxiv.2104.04787 · pith_short_12: QCW3NRY3QQPI · pith_short_16: QCW3NRY3QQPIBLXO · pith_short_8: QCW3NRY3

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/QCW3NRY3QQPIBLXOPPX74HOACS \
  | 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: 80adb6c71b841e80aeee7beffe1dc014b4357d56397b2e54ade2c56be31c0903

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "61f49445b337c65c49713922292388cc3784a2cf9af1c05a8e4cdd4e6d906c33",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2021-04-10T15:09:31Z",
    "title_canon_sha256": "676a2abe9dfe20e21c8c69ba531fbf1df85f9dc8621dddcc0beb5551c5210836"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2104.04787",
    "kind": "arxiv",
    "version": 1
  }
}