Pith Number

pith:IKC6Z3JV

pith:2014:IKC6Z3JVQGRI437SR5B6DTF5ES

not attested not anchored not stored refs pending

The signature of a splice

Alex Degtyarev, Ana G. Lecuona, Vincent Florens

arxiv:1409.5873 v2 · 2014-09-20 · math.GT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IKC6Z3JVQGRI437SR5B6DTF5ES}

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	2026-05-18T00:42:13.740412Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4285eced3581a28e6ff28f43e1ccbd24aa63e061595b0a5a39057172fa82dceb

Aliases

arxiv: 1409.5873 · arxiv_version: 1409.5873v2 · doi: 10.48550/arxiv.1409.5873 · pith_short_12: IKC6Z3JVQGRI · pith_short_16: IKC6Z3JVQGRI437S · pith_short_8: IKC6Z3JV

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/IKC6Z3JVQGRI437SR5B6DTF5ES \
  | 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: 4285eced3581a28e6ff28f43e1ccbd24aa63e061595b0a5a39057172fa82dceb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e716b1c88f1f8e158f99c9ccf276a46520ece0495afc4198304afe5971801e31",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GT",
    "submitted_at": "2014-09-20T09:20:50Z",
    "title_canon_sha256": "162e897a9c121a80ad224fc54b9b8ef014d66cfcccb495c892722ff04723a353"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1409.5873",
    "kind": "arxiv",
    "version": 2
  }
}