Pith Number

pith:NQZRQI56

pith:2014:NQZRQI56C4KK7D3XHGMAQZ2XIV

not attested not anchored not stored refs pending

Euler characteristics of generalized Haken manifolds

Allan L. Edmonds, Michael W. Davis

arxiv:1402.7096 v1 · 2014-02-27 · 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{NQZRQI56C4KK7D3XHGMAQZ2XIV}

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	2026-05-18T02:03:37.870126Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6c331823be1714af8f773998086757457ab6927d49711fc06fd33a6e0ec0487e

Aliases

arxiv: 1402.7096 · arxiv_version: 1402.7096v1 · doi: 10.48550/arxiv.1402.7096 · pith_short_12: NQZRQI56C4KK · pith_short_16: NQZRQI56C4KK7D3X · pith_short_8: NQZRQI56

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/NQZRQI56C4KK7D3XHGMAQZ2XIV \
  | 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: 6c331823be1714af8f773998086757457ab6927d49711fc06fd33a6e0ec0487e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fea1138f8a9854030220e1c0f1b325029271ba0345d6a64a8c1297d8215f7adb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GT",
    "submitted_at": "2014-02-27T21:56:47Z",
    "title_canon_sha256": "a733a4958b50599b0e80aba550acf497eef20159631577cafaaa3dda2bfc7055"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1402.7096",
    "kind": "arxiv",
    "version": 1
  }
}