Pith Number

pith:GKRUTL4Q

pith:2017:GKRUTL4Q5UZ3VAPAWDLN2AP35O

not attested not anchored not stored refs pending

New families of simplicial filtration functors

Facundo Memoli, Jose Angel Sanchez, Nathaniel Clause, Samir Chowdhury, Zoe Wellner

arxiv:1712.00696 v1 · 2017-12-03 · 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{GKRUTL4Q5UZ3VAPAWDLN2AP35O}

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	2026-05-18T00:29:00.665722Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

32a349af90ed33ba81e0b0d6dd01fbebbb8a96d22433a3785e5a339b28623099

Aliases

arxiv: 1712.00696 · arxiv_version: 1712.00696v1 · doi: 10.48550/arxiv.1712.00696 · pith_short_12: GKRUTL4Q5UZ3 · pith_short_16: GKRUTL4Q5UZ3VAPA · pith_short_8: GKRUTL4Q

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/GKRUTL4Q5UZ3VAPAWDLN2AP35O \
  | 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: 32a349af90ed33ba81e0b0d6dd01fbebbb8a96d22433a3785e5a339b28623099

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "398f5f3bfd022eda24ff0cfe4a61251d849fa9366a6b0fde18333d2af28efbf3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AT",
    "submitted_at": "2017-12-03T02:13:01Z",
    "title_canon_sha256": "0f4a1ac6a0561501d24cee284c4ac08ce650724d1291f7a83f1179eb7ca6cd1a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1712.00696",
    "kind": "arxiv",
    "version": 1
  }
}