Pith Number

pith:A7F6NK4S

pith:2017:A7F6NK4SNN6WZJ2BZCWWIG6BMB

not attested not anchored not stored refs pending

Discrete configuration spaces of squares and hexagons

Hannah Alpert

arxiv:1704.06221 v1 · 2017-04-20 · math.MG · cs.RO · 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{A7F6NK4SNN6WZJ2BZCWWIG6BMB}

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	2026-05-18T00:46:03.056601Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

07cbe6ab926b7d6ca741c8ad641bc16045d0c8f963ee051cca99fe4ced7a64a3

Aliases

arxiv: 1704.06221 · arxiv_version: 1704.06221v1 · doi: 10.48550/arxiv.1704.06221 · pith_short_12: A7F6NK4SNN6W · pith_short_16: A7F6NK4SNN6WZJ2B · pith_short_8: A7F6NK4S

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/A7F6NK4SNN6WZJ2BZCWWIG6BMB \
  | 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: 07cbe6ab926b7d6ca741c8ad641bc16045d0c8f963ee051cca99fe4ced7a64a3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b0b570d20f65f9adeccfaa060f61bb3cbd09e7b7b3c4a97ab353bc1fe9502c6f",
    "cross_cats_sorted": [
      "cs.RO",
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.MG",
    "submitted_at": "2017-04-20T16:45:08Z",
    "title_canon_sha256": "785e94dd3ec042e65e4395699c8e351b05754be8502813d260f3f51c07489151"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1704.06221",
    "kind": "arxiv",
    "version": 1
  }
}