Pith Number

pith:IDW4U2VK

pith:2005:IDW4U2VKS6BQIBI5RC72JOMWZP

not attested not anchored not stored refs pending

Nulling Tomography with Weak Gravitational Lensing

Dragan Huterer (Chicago), Martin White (Berkeley)

arxiv:astro-ph/0501451 v2 · 2005-01-20 · 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{IDW4U2VKS6BQIBI5RC72JOMWZP}

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	2026-07-04T15:31:18.033091Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

40edca6aaa978304051d88bfa4b996cbf96fd6ba05fdc9ff85d62b938d1f1c08

Aliases

arxiv: astro-ph/0501451 · arxiv_version: astro-ph/0501451v2 · doi: 10.48550/arxiv.astro-ph/0501451 · pith_short_12: IDW4U2VKS6BQ · pith_short_16: IDW4U2VKS6BQIBI5 · pith_short_8: IDW4U2VK

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/IDW4U2VKS6BQIBI5RC72JOMWZP \
  | 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: 40edca6aaa978304051d88bfa4b996cbf96fd6ba05fdc9ff85d62b938d1f1c08

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6c826fa90c719b6021a1a5f04f94bd57ca51d7dc99e520ebc3f006c8cc953da3",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2005-01-20T23:19:12Z",
    "title_canon_sha256": "9dbac8fd63cdce0674a2da669105fb1c681d43303217ac697ec90b68e88fcc81"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0501451",
    "kind": "arxiv",
    "version": 2
  }
}