Pith Number

pith:CJG5CH5C

pith:2018:CJG5CH5CMMAICFMQ57DWQCGA6C

not attested not anchored not stored refs pending

CPz: Classification-aided photometric-redshift estimation

S. Fotopoulou, S. Paltani

arxiv:1808.04977 v1 · 2018-08-15 · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CJG5CH5CMMAICFMQ57DWQCGA6C}

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	2026-05-18T00:01:58.117377Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

124dd11fa26300811590efc76808c0f0b3b26efa9e2a75ec21df3c9b2c8639f5

Aliases

arxiv: 1808.04977 · arxiv_version: 1808.04977v1 · doi: 10.48550/arxiv.1808.04977 · pith_short_12: CJG5CH5CMMAI · pith_short_16: CJG5CH5CMMAICFMQ · pith_short_8: CJG5CH5C

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/CJG5CH5CMMAICFMQ57DWQCGA6C \
  | 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: 124dd11fa26300811590efc76808c0f0b3b26efa9e2a75ec21df3c9b2c8639f5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8f0f789f0f3f4f6102eb4331d63f0d5b09b1d8f8237bbde61d16098025332380",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-08-15T05:58:46Z",
    "title_canon_sha256": "f93d64fc86b470e13e6640534a4e7a31cf1e773ca6b5c98f49d5b7f8f86f39d5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.04977",
    "kind": "arxiv",
    "version": 1
  }
}