Pith Number

pith:YAM2MW7S

pith:2005:YAM2MW7SC3FCDF6L66TU5OUUOM

not attested not anchored not stored refs pending

Imaging of SDSS z>6 quasar fields: gravitational lensing, companion galaxies and the host dark matter halos

Chris J. Willott, David Crampton, John B. Hutchings, Luc Simard, Marcin Sawicki, Matt J. Jarvis, Ross J. McLure, Will J. Percival

arxiv:astro-ph/0503202 v1 · 2005-03-08 · 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{YAM2MW7SC3FCDF6L66TU5OUUOM}

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	2026-07-04T16:50:58.013730Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c019a65bf216ca2197cbf7a74eba9473384fb58c6b7f765d1633fe1ca7432114

Aliases

arxiv: astro-ph/0503202 · arxiv_version: astro-ph/0503202v1 · doi: 10.48550/arxiv.astro-ph/0503202 · pith_short_12: YAM2MW7SC3FC · pith_short_16: YAM2MW7SC3FCDF6L · pith_short_8: YAM2MW7S

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/YAM2MW7SC3FCDF6L66TU5OUUOM \
  | 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: c019a65bf216ca2197cbf7a74eba9473384fb58c6b7f765d1633fe1ca7432114

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8b41fc6f7f43eb4d921b09d3fc72746f800a503a79e4bfc30d9513739b15b83f",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2005-03-08T23:57:20Z",
    "title_canon_sha256": "6992d057086d5cd13a9035ab8d34a6e4cf62648d5a951d7dc18cc0e8041a519a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0503202",
    "kind": "arxiv",
    "version": 1
  }
}