Pith Number

pith:WEWT2J3N

pith:2008:WEWT2J3NKVMI6EAZNCB5FEQJ5O

not attested not anchored not stored refs pending

A Comparison of Six Photometric Redshift Methods Applied to 1.5 Million Luminous Red Galaxies

Filipe B. Abdalla (UCL), Manda Banerji (UCL), Ofer Lahav (UCL), Valery Rashkov (Princeton)

arxiv:0812.3831 v1 · 2008-12-19 · 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{WEWT2J3NKVMI6EAZNCB5FEQJ5O}

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.

Cited by

1 paper in Pith

Euclid Definition Study Report

Receipt and verification

First computed	2026-05-18T03:36:06.797006Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b12d3d276d55588f10196883d29209ebaa7e217baeeb4fcd90e9e271a610bbfd

Aliases

arxiv: 0812.3831 · arxiv_version: 0812.3831v1 · doi: 10.48550/arxiv.0812.3831 · pith_short_12: WEWT2J3NKVMI · pith_short_16: WEWT2J3NKVMI6EAZ · pith_short_8: WEWT2J3N

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/WEWT2J3NKVMI6EAZNCB5FEQJ5O \
  | 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: b12d3d276d55588f10196883d29209ebaa7e217baeeb4fcd90e9e271a610bbfd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a9087817013cd4aba499329520dc2c9b45b055b26f0d1efcc2eeda4d58b88ef7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph",
    "submitted_at": "2008-12-19T17:58:22Z",
    "title_canon_sha256": "45220cfa2a5a8753681460ddde519fcf342db92da9fb2f786aeff06a32dab572"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0812.3831",
    "kind": "arxiv",
    "version": 1
  }
}