Pith Number

pith:WHCF54EP

pith:2016:WHCF54EPQKDQALTLLHW42DAQPO

not attested not anchored not stored refs pending

A cooperative approach among methods for photometric redshifts estimation: an application to KiDS data

Aniello Grado, Civita Vellucci, Crescenzo Tortora, Fedor Getman, Francesco La Barbera, Giuseppe Longo, Mario Radovich, Massimo Brescia, Nicola R. Napolitano, Stefano Cavuoti, Valeria Amaro

arxiv:1612.02173 v1 · 2016-12-07 · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WHCF54EPQKDQALTLLHW42DAQPO}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T00:55:20.112924Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b1c45ef08f8287002e6b59edcd0c107b905b5431cda1b14f467dc3c2eff6ddbf

Aliases

arxiv: 1612.02173 · arxiv_version: 1612.02173v1 · doi: 10.48550/arxiv.1612.02173 · pith_short_12: WHCF54EPQKDQ · pith_short_16: WHCF54EPQKDQALTL · pith_short_8: WHCF54EP

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/WHCF54EPQKDQALTLLHW42DAQPO \
  | 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: b1c45ef08f8287002e6b59edcd0c107b905b5431cda1b14f467dc3c2eff6ddbf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "86a02d0de72f9a182713acd7718beec1dbe563b5561b60b711e24452be4d515e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2016-12-07T09:58:44Z",
    "title_canon_sha256": "c7c47e8ddacfa6951f91a6d1a7b1fac68dcffec9daae5be697dcaa248fc2bd2e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1612.02173",
    "kind": "arxiv",
    "version": 1
  }
}