Pith Number

pith:A7WMWLRN

pith:2010:A7WMWLRN3VYECI5HD4QIEDDETT

not attested not anchored not stored refs pending

The Schreier continuum and ends

Alex Clark, Olga Lukina, Robbert Fokkink

arxiv:1007.0746 v3 · 2010-07-05 · math.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{A7WMWLRN3VYECI5HD4QIEDDETT}

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	2026-05-18T04:03:07.353175Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

07eccb2e2ddd704123a71f20820c649cdb56ebbf297dbb5a4f9e0199b6841cc0

Aliases

arxiv: 1007.0746 · arxiv_version: 1007.0746v3 · doi: 10.48550/arxiv.1007.0746 · pith_short_12: A7WMWLRN3VYE · pith_short_16: A7WMWLRN3VYECI5H · pith_short_8: A7WMWLRN

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/A7WMWLRN3VYECI5HD4QIEDDETT \
  | 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: 07eccb2e2ddd704123a71f20820c649cdb56ebbf297dbb5a4f9e0199b6841cc0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3d01996efc4f435d5bbecbe62a3132a67d061112111d3e7f205649bc970e27cb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2010-07-05T18:55:45Z",
    "title_canon_sha256": "49e507e745ed21bff33956b6c31fb0cd466c9f8c1e049913e966416ee66a03a1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1007.0746",
    "kind": "arxiv",
    "version": 3
  }
}