Pith Number

pith:NWUQSEJR

pith:2011:NWUQSEJRYRGSOKDPYOR3GY4AGC

not attested not anchored not stored refs pending

On singularity confinement for the pentagram map

Max Glick

arxiv:1110.0868 v2 · 2011-10-04 · math.CO · 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{NWUQSEJRYRGSOKDPYOR3GY4AGC}

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	2026-05-18T04:00:51.954579Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6da9091131c44d27286fc3a3b36380309e524fb75499b1eee79a2d5f44bfddfd

Aliases

arxiv: 1110.0868 · arxiv_version: 1110.0868v2 · doi: 10.48550/arxiv.1110.0868 · pith_short_12: NWUQSEJRYRGS · pith_short_16: NWUQSEJRYRGSOKDP · pith_short_8: NWUQSEJR

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/NWUQSEJRYRGSOKDPYOR3GY4AGC \
  | 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: 6da9091131c44d27286fc3a3b36380309e524fb75499b1eee79a2d5f44bfddfd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "014603af00408eb02d03b50a1530b9f96997ecfa861d34904f0501f8c9c3441a",
    "cross_cats_sorted": [
      "math.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2011-10-04T23:28:34Z",
    "title_canon_sha256": "6eef91f00684372a4421ddcb0b00a62941e34437cddf7a158a8a465f4ac1e5b6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1110.0868",
    "kind": "arxiv",
    "version": 2
  }
}