Pith Number

pith:4TH5QUZS

pith:2009:4TH5QUZSLY5JWA5TCBMEVZGMPJ

not attested not anchored not stored refs pending

Unfolding the matter distribution using 3-D weak gravitational lensing

Andy Taylor, Jan Hartlap, Patrick Simon

arxiv:0907.0016 v1 · 2009-06-30 · astro-ph.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{4TH5QUZSLY5JWA5TCBMEVZGMPJ}

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	2026-05-18T02:13:11.618479Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e4cfd853325e3a9b03b310584ae4cc7a735410a504b2c7b82436a33f5644f0a5

Aliases

arxiv: 0907.0016 · arxiv_version: 0907.0016v1 · doi: 10.48550/arxiv.0907.0016 · pith_short_12: 4TH5QUZSLY5J · pith_short_16: 4TH5QUZSLY5JWA5T · pith_short_8: 4TH5QUZS

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/4TH5QUZSLY5JWA5TCBMEVZGMPJ \
  | 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: e4cfd853325e3a9b03b310584ae4cc7a735410a504b2c7b82436a33f5644f0a5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "29bb6f747ada69a6c881b30b50b6dfdec30f6a955322433c0c0a22f1ddf41559",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-06-30T20:10:37Z",
    "title_canon_sha256": "292bf4aa771007e88aadb1497bc6904b87c078c1d5f7447703f3dda785f81a91"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0907.0016",
    "kind": "arxiv",
    "version": 1
  }
}