Pith Number

pith:5GD3KJ7S

pith:2011:5GD3KJ7SYB2PLBA6HGX2HSRGD4

not attested not anchored not stored refs pending

Efficiently enclosing the compact binary parameter space by singular-value decomposition

Chad Hanna, Drew Keppel, Kipp Cannon

arxiv:1101.4939 v1 · 2011-01-25 · gr-qc · physics.data-an

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5GD3KJ7SYB2PLBA6HGX2HSRGD4}

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	2026-05-18T03:49:33.005918Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e987b527f2c074f5841e39afa3ca261f13a0ef9fd700d061d63e8ba106a21db7

Aliases

arxiv: 1101.4939 · arxiv_version: 1101.4939v1 · doi: 10.48550/arxiv.1101.4939 · pith_short_12: 5GD3KJ7SYB2P · pith_short_16: 5GD3KJ7SYB2PLBA6 · pith_short_8: 5GD3KJ7S

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/5GD3KJ7SYB2PLBA6HGX2HSRGD4 \
  | 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: e987b527f2c074f5841e39afa3ca261f13a0ef9fd700d061d63e8ba106a21db7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "df668e5a3c0882a97691c9af22e26891ebe91cb99113b203be22291fd4277a6d",
    "cross_cats_sorted": [
      "physics.data-an"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2011-01-25T21:00:05Z",
    "title_canon_sha256": "b046f86b8ef09bf3c6c8be46d7144ef13457a38dc99fb492d4752271e20be9f0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1101.4939",
    "kind": "arxiv",
    "version": 1
  }
}