Pith Number

pith:SRAUQIV5

pith:2007:SRAUQIV5GGDYE7FQUZZHDRUGFJ

not attested not anchored not stored refs pending

Zone and double zone diagrams in abstract spaces

Daniel Reem, Simeon Reich

arxiv:0708.2668 v2 · 2007-08-19 · math.MG · cs.CG · 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{SRAUQIV5GGDYE7FQUZZHDRUGFJ}

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	2026-05-18T00:49:40.502771Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

94414822bd3187827cb0a67271c6862a7d7c4d514afc9170df7919f60e58fee2

Aliases

arxiv: 0708.2668 · arxiv_version: 0708.2668v2 · doi: 10.48550/arxiv.0708.2668 · pith_short_12: SRAUQIV5GGDY · pith_short_16: SRAUQIV5GGDYE7FQ · pith_short_8: SRAUQIV5

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/SRAUQIV5GGDYE7FQUZZHDRUGFJ \
  | 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: 94414822bd3187827cb0a67271c6862a7d7c4d514afc9170df7919f60e58fee2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6c5afd63c3454da61c267b87b816ec47df955df869981a786e5baf1bfd240a18",
    "cross_cats_sorted": [
      "cs.CG",
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.MG",
    "submitted_at": "2007-08-19T15:35:25Z",
    "title_canon_sha256": "806649df09ce6aa03ce27462e46ac000f0e7e3b5b396a5e1a11c1503dad18469"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0708.2668",
    "kind": "arxiv",
    "version": 2
  }
}