Pith Number

pith:GUABL5SG

pith:2011:GUABL5SGIVIGL5LRG2EPHQAHWY

not attested not anchored not stored refs pending

The Efficacy of Galaxy Shape Parameters in Photometric Redshift Estimation: A Neural Network Approach

B. Gerke, J. Lotz, J. Singal, M. Shmakova, R.L. Griffith

arxiv:1101.4011 v3 · 2011-01-20 · 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{GUABL5SGIVIGL5LRG2EPHQAHWY}

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	2026-05-18T02:03:25.889017Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

350015f646455065f5713688f3c007b62598e42f3ebd590b458991581306e0cf

Aliases

arxiv: 1101.4011 · arxiv_version: 1101.4011v3 · doi: 10.48550/arxiv.1101.4011 · pith_short_12: GUABL5SGIVIG · pith_short_16: GUABL5SGIVIGL5LR · pith_short_8: GUABL5SG

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/GUABL5SGIVIGL5LRG2EPHQAHWY \
  | 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: 350015f646455065f5713688f3c007b62598e42f3ebd590b458991581306e0cf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "359d52b38025871c05aceab72ca334b740e86ebee1c56d5ee596deef538e1c90",
    "cross_cats_sorted": [
      "astro-ph.IM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-01-20T20:51:35Z",
    "title_canon_sha256": "e980e70d9d07b4e562da3e38155ab8451f22cedcff42a9b4b04dd2780152c92e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1101.4011",
    "kind": "arxiv",
    "version": 3
  }
}