Pith Number

pith:YZN4H2SB

pith:2012:YZN4H2SBEBBS7CIQCTFTOHBBCF

not attested not anchored not stored refs pending

One brick at a time: a survey of inductive constructions in rigidity theory

Anthony Nixon, Elissa Ross

arxiv:1203.6623 v2 · 2012-03-29 · math.MG · math.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YZN4H2SBEBBS7CIQCTFTOHBBCF}

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	2026-05-18T03:20:56.969516Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c65bc3ea4120432f891014cb371c21116d917fdb835afcbbca6294eec9356e41

Aliases

arxiv: 1203.6623 · arxiv_version: 1203.6623v2 · doi: 10.48550/arxiv.1203.6623 · pith_short_12: YZN4H2SBEBBS · pith_short_16: YZN4H2SBEBBS7CIQ · pith_short_8: YZN4H2SB

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/YZN4H2SBEBBS7CIQCTFTOHBBCF \
  | 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: c65bc3ea4120432f891014cb371c21116d917fdb835afcbbca6294eec9356e41

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c4a6646357cf18b70f6516c6d149729dd1a4518e614b2e74dec90dc741a8e13b",
    "cross_cats_sorted": [
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.MG",
    "submitted_at": "2012-03-29T18:30:06Z",
    "title_canon_sha256": "3398a946648a81601ed8df4bd87f3c662a19f0e556597479275c127b6d8451c9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1203.6623",
    "kind": "arxiv",
    "version": 2
  }
}