Pith Number

pith:I2NPIVI2

pith:2014:I2NPIVI25JCZC5DORDE37EW2HA

not attested not anchored not stored refs pending

Sphere Packing with Limited Overlap

Caroline Uhler, Mabel Iglesias-Ham, Michael Kerber

arxiv:1401.0468 v1 · 2014-01-02 · 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{I2NPIVI25JCZC5DORDE37EW2HA}

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	2026-05-18T03:03:23.161354Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

469af4551aea4591746e88c9bf92da3810d7c54a1ae76fc73bd763f58caac151

Aliases

arxiv: 1401.0468 · arxiv_version: 1401.0468v1 · doi: 10.48550/arxiv.1401.0468 · pith_short_12: I2NPIVI25JCZ · pith_short_16: I2NPIVI25JCZC5DO · pith_short_8: I2NPIVI2

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/I2NPIVI25JCZC5DORDE37EW2HA \
  | 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: 469af4551aea4591746e88c9bf92da3810d7c54a1ae76fc73bd763f58caac151

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d0f4f4692f08c2d14ffe88a38489443f4db9ed1546609d29754fedb3c4f481bc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CG",
    "submitted_at": "2014-01-02T16:36:24Z",
    "title_canon_sha256": "528c4ced3aef2f8400aaca1f3ed57c7888182f0fc11622aed9a681d4dddc4e9c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1401.0468",
    "kind": "arxiv",
    "version": 1
  }
}