Pith Number

pith:6AA3Q7HT

pith:2011:6AA3Q7HTZ5QRDRTJSX3Q2ILIGI

not attested not anchored not stored refs pending

Geometric Packing under Non-uniform Constraints

Alina Ene, Benjamin Raichel, Sariel Har-Peled

arxiv:1107.2949 v2 · 2011-07-14 · cs.CG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6AA3Q7HTZ5QRDRTJSX3Q2ILIGI}

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	2026-05-18T04:07:19.509243Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f001b87cf3cf6111c66995f70d216832160a376e0ab4610bba03a74ee3963903

Aliases

arxiv: 1107.2949 · arxiv_version: 1107.2949v2 · doi: 10.48550/arxiv.1107.2949 · pith_short_12: 6AA3Q7HTZ5QR · pith_short_16: 6AA3Q7HTZ5QRDRTJ · pith_short_8: 6AA3Q7HT

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/6AA3Q7HTZ5QRDRTJSX3Q2ILIGI \
  | 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: f001b87cf3cf6111c66995f70d216832160a376e0ab4610bba03a74ee3963903

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5b09a0dc79fc1504641e0bd218196fb85c805b3e23ba4fe41c22908a574a8ce7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CG",
    "submitted_at": "2011-07-14T20:59:28Z",
    "title_canon_sha256": "4748c4d8ca1151e8facac8b10610d9b9229a2c6e00d169f540aaccef57c304c2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1107.2949",
    "kind": "arxiv",
    "version": 2
  }
}