Pith Number

pith:Z6APPANC

pith:2012:Z6APPANCBE4V5TROBR6C7EOJ7X

not attested not anchored not stored refs pending

Moduli space of planar polygonal linkage: a combinatorial description

Gaiane Panina

arxiv:1209.3241 v6 · 2012-09-14 · math.AT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Z6APPANCBE4V5TROBR6C7EOJ7X}

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	2026-05-18T00:46:50.022968Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cf80f781a209395ece2e0c7c2f91c9fdf54c481d523c9b7079707f3a0ceb7e61

Aliases

arxiv: 1209.3241 · arxiv_version: 1209.3241v6 · doi: 10.48550/arxiv.1209.3241 · pith_short_12: Z6APPANCBE4V · pith_short_16: Z6APPANCBE4V5TRO · pith_short_8: Z6APPANC

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/Z6APPANCBE4V5TROBR6C7EOJ7X \
  | 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: cf80f781a209395ece2e0c7c2f91c9fdf54c481d523c9b7079707f3a0ceb7e61

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ede13d298ed4c4c7c625c2a109c1490e02d7b67fe330ea8f09c555b9a22d895a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AT",
    "submitted_at": "2012-09-14T16:04:29Z",
    "title_canon_sha256": "1e42a77e62ae3cb116804cc6dbf251d33bda8286bbc75cfc2d4bf1200b140846"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1209.3241",
    "kind": "arxiv",
    "version": 6
  }
}