Pith Number

pith:3W66IPJP

pith:2006:3W66IPJP7F7JSXTBLTUUIZ7D7I

not attested not anchored not stored refs pending

A New Measure for Weak Lensing Flexion

(2) ASIAA), Keiichi Umetsu (2), Toshifumi Futamase (1) ((1) Tohoku University, Yuki Okura (1)

arxiv:astro-ph/0607288 v3 · 2006-07-13 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3W66IPJP7F7JSXTBLTUUIZ7D7I}

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	2026-05-18T04:28:58.405940Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ddbde43d2ff97e995e615ce94467e3fa232b1df6383e29c81ca915f120a5071e

Aliases

arxiv: astro-ph/0607288 · arxiv_version: astro-ph/0607288v3 · doi: 10.48550/arxiv.astro-ph/0607288 · pith_short_12: 3W66IPJP7F7J · pith_short_16: 3W66IPJP7F7JSXTB · pith_short_8: 3W66IPJP

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/3W66IPJP7F7JSXTBLTUUIZ7D7I \
  | 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: ddbde43d2ff97e995e615ce94467e3fa232b1df6383e29c81ca915f120a5071e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3e3f3515773706c7a5df98c4d44d13dcad32782c18007d6d173b1ed1001e5600",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2006-07-13T11:17:24Z",
    "title_canon_sha256": "1dc8e9cc663f86888ed1ca573894eb5a57f36707dadbe517cb727f33205b6897"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0607288",
    "kind": "arxiv",
    "version": 3
  }
}