Pith Number

pith:OWEOGYZG

pith:2018:OWEOGYZG7KSNGZQGNUZX2Q6BK4

not attested not anchored not stored refs pending

Computational Complexity of Enumerative 3-Manifold Invariants

Eric Samperton (UC Davis)

arxiv:1805.09275 v1 · 2018-05-23 · math.GT · cs.CC · math.GR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OWEOGYZG7KSNGZQGNUZX2Q6BK4}

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	2026-05-18T00:15:08.035162Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7588e36326faa4d366066d337d43c15707ce85267f67a8563150b2a091537f60

Aliases

arxiv: 1805.09275 · arxiv_version: 1805.09275v1 · doi: 10.48550/arxiv.1805.09275 · pith_short_12: OWEOGYZG7KSN · pith_short_16: OWEOGYZG7KSNGZQG · pith_short_8: OWEOGYZG

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/OWEOGYZG7KSNGZQGNUZX2Q6BK4 \
  | 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: 7588e36326faa4d366066d337d43c15707ce85267f67a8563150b2a091537f60

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "07f23580889c22daff5f20341155b516902e7a88c3fd10bbaf393f9b2e33bb4b",
    "cross_cats_sorted": [
      "cs.CC",
      "math.GR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GT",
    "submitted_at": "2018-05-23T16:48:07Z",
    "title_canon_sha256": "3a65e68d8f0a850307a1c7ae8e63f2a868c6c13c0ab61c5992775be0df1c0338"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.09275",
    "kind": "arxiv",
    "version": 1
  }
}