Pith Number

pith:255TSIS7

pith:2018:255TSIS7OXB6TILYQDLUCDWHME

not attested not anchored not stored refs pending

Rigidity for sticky disks

Louis Theran, Robert Connelly, Steven J. Gortler

arxiv:1809.02006 v2 · 2018-09-06 · 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{255TSIS7OXB6TILYQDLUCDWHME}

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	2026-05-17T23:56:14.721093Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d77b39225f75c3e9a17880d7410ec7612e02a429c6efb928afbc1d971d1ef3ef

Aliases

arxiv: 1809.02006 · arxiv_version: 1809.02006v2 · doi: 10.48550/arxiv.1809.02006 · pith_short_12: 255TSIS7OXB6 · pith_short_16: 255TSIS7OXB6TILY · pith_short_8: 255TSIS7

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/255TSIS7OXB6TILYQDLUCDWHME \
  | 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: d77b39225f75c3e9a17880d7410ec7612e02a429c6efb928afbc1d971d1ef3ef

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f6bdd71dc30ffcba9631d5af714cb2e21276c476323a1a1f41dfd1ecc05a8f3b",
    "cross_cats_sorted": [
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.MG",
    "submitted_at": "2018-09-06T14:21:15Z",
    "title_canon_sha256": "0a039f13782e245e79761bae58e10f5336054c696a86dc8960e3228655a445e8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.02006",
    "kind": "arxiv",
    "version": 2
  }
}