Pith Number

pith:U3MSKEDX

pith:2017:U3MSKEDXXRHONZCWDQPGBVOQZC

not attested not anchored not stored refs pending

Cooperative photometric redshift estimation

Civita Vellucci, Crescenzo Tortora, Giuseppe Longo, Mario Radovich, Massimo Brescia, Nicola R. Napolitano, Stefano Cavuoti, Valeria Amaro

arxiv:1701.08120 v1 · 2017-01-27 · 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{U3MSKEDXXRHONZCWDQPGBVOQZC}

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	2026-05-18T00:42:29.857818Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a6d9251077bc4ee6e4561c1e60d5d0c8987a8e266d1cb67a3690e512ed988233

Aliases

arxiv: 1701.08120 · arxiv_version: 1701.08120v1 · doi: 10.48550/arxiv.1701.08120 · pith_short_12: U3MSKEDXXRHO · pith_short_16: U3MSKEDXXRHONZCW · pith_short_8: U3MSKEDX

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/U3MSKEDXXRHONZCWDQPGBVOQZC \
  | 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: a6d9251077bc4ee6e4561c1e60d5d0c8987a8e266d1cb67a3690e512ed988233

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a5b49746e3ebf4fcf583021aa91d52b8ede9511bfdcccafaace7ea2a2f7d74bd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2017-01-27T17:13:56Z",
    "title_canon_sha256": "5650f59cfcc5a51ed0a0d0510d55187c58c1f9f662d84b0136f53fa733ee9b99"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.08120",
    "kind": "arxiv",
    "version": 1
  }
}