Pith Number

pith:UNJHKKXG

pith:2008:UNJHKKXGRQKLYQ6OSYAFL4KHPR

not attested not anchored not stored refs pending

Difference Imaging of Lensed Quasar Candidates in the SDSS Supernova Survey Region

(2) Cosmic Radiation Laboratory, (3) Kavli Institute for Particle Astrophysics, AstroParticle Physics, Brian C. Lacki (1), Chemical Research Organization), Christopher S. Kochanek (1), Cosmology, Krzysztof Z. Stanek (1), Masamune Oguri (3) ((1) Department of Astronomy, Naohisa Inada (2), RIKEN (The Physical, Stanford University), the Center for Cosmology, The Ohio State University

arxiv:0801.3432 v1 · 2008-01-22 · 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{UNJHKKXGRQKLYQ6OSYAFL4KHPR}

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	2026-07-04T15:44:39.711157Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a352752ae68c14bc43ce960055f1477c45e68a0307c9a3197eabbad6025a7961

Aliases

arxiv: 0801.3432 · arxiv_version: 0801.3432v1 · doi: 10.48550/arxiv.0801.3432 · pith_short_12: UNJHKKXGRQKL · pith_short_16: UNJHKKXGRQKLYQ6O · pith_short_8: UNJHKKXG

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/UNJHKKXGRQKLYQ6OSYAFL4KHPR \
  | 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: a352752ae68c14bc43ce960055f1477c45e68a0307c9a3197eabbad6025a7961

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "42cf8686f2fbb5efe65d998e8719a12b7045f7086d89d66a07828f03b65a736d",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2008-01-22T18:15:06Z",
    "title_canon_sha256": "0b075128dd5526c445695e23fac5937159504697074d666cbe8e9573a652d73c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0801.3432",
    "kind": "arxiv",
    "version": 1
  }
}