Pith Number

pith:DSS5KDHV

pith:2018:DSS5KDHVAD7EOTZ5AT4UIKILZI

not attested not anchored not stored refs pending

Minimality in diagrams of simplicial sets

Carles Broto, Carlos Giraldo, Ram\'on Flores

arxiv:1804.06354 v4 · 2018-04-17 · 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{DSS5KDHVAD7EOTZ5AT4UIKILZI}

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	2026-05-17T23:45:22.596767Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1ca5d50cf500fe474f3d04f944290bca3e5f8e38c326199a41c81d1a7c56da32

Aliases

arxiv: 1804.06354 · arxiv_version: 1804.06354v4 · doi: 10.48550/arxiv.1804.06354 · pith_short_12: DSS5KDHVAD7E · pith_short_16: DSS5KDHVAD7EOTZ5 · pith_short_8: DSS5KDHV

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/DSS5KDHVAD7EOTZ5AT4UIKILZI \
  | 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: 1ca5d50cf500fe474f3d04f944290bca3e5f8e38c326199a41c81d1a7c56da32

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c4becdf7902bf83108c7385d78b2214e0b3dc5842d40d11221d578447d516403",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AT",
    "submitted_at": "2018-04-17T16:27:10Z",
    "title_canon_sha256": "83641435766813242ebd79af35a476c79cad4b5bc456a854c15cb088504dc65d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.06354",
    "kind": "arxiv",
    "version": 4
  }
}