Pith Number

pith:CDUU7HXV

pith:2018:CDUU7HXV2UWCVWZ6RQL4RCG7OM

not attested not anchored not stored refs pending

Visually Representing the Landscape of Mathematical Structures

Hayden Jananthan, Jeremy Kepner, Katherine Gravel

arxiv:1809.05930 v1 · 2018-09-16 · math.HO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CDUU7HXV2UWCVWZ6RQL4RCG7OM}

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	2026-05-18T00:05:36.103848Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

10e94f9ef5d52c2adb3e8c17c888df73390f09725fe6edd3aa2704535bc02e91

Aliases

arxiv: 1809.05930 · arxiv_version: 1809.05930v1 · doi: 10.48550/arxiv.1809.05930 · pith_short_12: CDUU7HXV2UWC · pith_short_16: CDUU7HXV2UWCVWZ6 · pith_short_8: CDUU7HXV

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/CDUU7HXV2UWCVWZ6RQL4RCG7OM \
  | 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: 10e94f9ef5d52c2adb3e8c17c888df73390f09725fe6edd3aa2704535bc02e91

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "466e8b623fa26196dc69fc841af3196f390bff749bb121c0c738befa9c7ad2c1",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "math.HO",
    "submitted_at": "2018-09-16T18:29:23Z",
    "title_canon_sha256": "809d327cc87dd4155f7886ddef66a41ee1323196ccc3838a38ad557a3597f0cb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.05930",
    "kind": "arxiv",
    "version": 1
  }
}