Pith Number

pith:JXZ2F444

pith:2015:JXZ2F444A42HOB4T2EUX6DIC3V

not attested not anchored not stored refs pending

Categorified Reeb Graphs

Amit Patel, Elizabeth Munch, Vin de Silva

arxiv:1501.04147 v1 · 2015-01-17 · cs.CG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JXZ2F444A42HOB4T2EUX6DIC3V}

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	2026-05-17T23:59:39.924488Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4df3a2f39c0734770793d1297f0d02dd460a9fb789942a377173456671267d5a

Aliases

arxiv: 1501.04147 · arxiv_version: 1501.04147v1 · doi: 10.48550/arxiv.1501.04147 · pith_short_12: JXZ2F444A42H · pith_short_16: JXZ2F444A42HOB4T · pith_short_8: JXZ2F444

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/JXZ2F444A42HOB4T2EUX6DIC3V \
  | 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: 4df3a2f39c0734770793d1297f0d02dd460a9fb789942a377173456671267d5a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "87d276e7e28b8e3460663eb0b88c5564093d1f7c4e9f3418bb768ad2b5a68932",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CG",
    "submitted_at": "2015-01-17T02:56:21Z",
    "title_canon_sha256": "990bd823ea0430f640caa475cf388ed3e5094c147a39c4b3633e85b147253505"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1501.04147",
    "kind": "arxiv",
    "version": 1
  }
}