Pith Number

pith:3LFPWTYB

pith:2012:3LFPWTYBPCHY5FO72Q3LGRCLDW

not attested not anchored not stored refs pending

Spectroscopic failures in photometric redshift calibration: cosmological biases and survey requirements

Carlos E. Cunha (KIPAC-Stanford), Dragan Huterer (Michigan), Huan Lin (Fermilab), Michael T. Busha (Zurich), Risa H. Wechsler (KIPAC-Stanford, SLAC)

arxiv:1207.3347 v2 · 2012-07-13 · astro-ph.CO · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3LFPWTYBPCHY5FO72Q3LGRCLDW}

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	2026-05-18T02:32:22.760355Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dacafb4f01788f8e95dfd436b3444b1dbc293c5cddb26cee436ea1cd43f5021e

Aliases

arxiv: 1207.3347 · arxiv_version: 1207.3347v2 · doi: 10.48550/arxiv.1207.3347 · pith_short_12: 3LFPWTYBPCHY · pith_short_16: 3LFPWTYBPCHY5FO7 · pith_short_8: 3LFPWTYB

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/3LFPWTYBPCHY5FO72Q3LGRCLDW \
  | 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: dacafb4f01788f8e95dfd436b3444b1dbc293c5cddb26cee436ea1cd43f5021e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "29e6d7c7eaafa308fa25cc1511742d30b68d0e6c3a635d785d12e491b2be7c79",
    "cross_cats_sorted": [
      "astro-ph.IM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-07-13T19:59:59Z",
    "title_canon_sha256": "44d30f2aa930e13a84899ec03a91d9d307b36f770d1a4cc2e38127955c29f106"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1207.3347",
    "kind": "arxiv",
    "version": 2
  }
}