Pith Number

pith:EF7AYHDI

pith:2021:EF7AYHDIIEVE46TV7TAFA3UNIX

not attested not anchored not stored refs pending

Computing the Multicover Bifiltration

Georg Osang, Michael Kerber, Michael Lesnick, Ren\'e Corbet

arxiv:2103.07823 v3 · 2021-03-14 · cs.CG · 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{EF7AYHDIIEVE46TV7TAFA3UNIX}

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	2026-07-05T04:14:36.880502Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

217e0c1c68412a4e7a75fcc0506e8d45ee0cf5bdb9ade35ba69929d77c5bd829

Aliases

arxiv: 2103.07823 · arxiv_version: 2103.07823v3 · doi: 10.48550/arxiv.2103.07823 · pith_short_12: EF7AYHDIIEVE · pith_short_16: EF7AYHDIIEVE46TV · pith_short_8: EF7AYHDI

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/EF7AYHDIIEVE46TV7TAFA3UNIX \
  | 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: 217e0c1c68412a4e7a75fcc0506e8d45ee0cf5bdb9ade35ba69929d77c5bd829

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "43b371690fdd3a4ff9f8396c815b47e7603fc5fbb63f224f7ac42e6f2b9429c2",
    "cross_cats_sorted": [
      "math.AT"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CG",
    "submitted_at": "2021-03-14T01:19:24Z",
    "title_canon_sha256": "f8029f62043b325a825d7a821a140c034d492b6e43cda42e4b67f1c8c0acd728"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2103.07823",
    "kind": "arxiv",
    "version": 3
  }
}