Pith Number

pith:2ATN3HYU

pith:2017:2ATN3HYU2CIT6HAWBOBIVHKL5Y

not attested not anchored not stored refs pending

The Complete Calibration of the Color-Redshift Relation (C3R2) Survey: Survey Overview and Data Release 1

Daniel Masters, Daniel Stern, Francisco Castander, Jason Rhodes, Judith Cohen, Peter Capak, Stephane Paltani

arxiv:1704.06665 v1 · 2017-04-21 · astro-ph.CO · 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{2ATN3HYU2CIT6HAWBOBIVHKL5Y}

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

Machine Learning Techniques for Astrophysics and Cosmology: Photometric Redshifts

Receipt and verification

First computed	2026-05-18T00:42:28.824753Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d026dd9f14d0913f1c160b828a9d4bee11f007ddf618128bc0f0bb23764b522e

Aliases

arxiv: 1704.06665 · arxiv_version: 1704.06665v1 · doi: 10.48550/arxiv.1704.06665 · pith_short_12: 2ATN3HYU2CIT · pith_short_16: 2ATN3HYU2CIT6HAW · pith_short_8: 2ATN3HYU

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/2ATN3HYU2CIT6HAWBOBIVHKL5Y \
  | 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: d026dd9f14d0913f1c160b828a9d4bee11f007ddf618128bc0f0bb23764b522e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8fdf4921e1901ca3d3cf35802fbf8d3eee9633c988471fc38e2b06e374d9d122",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2017-04-21T18:00:47Z",
    "title_canon_sha256": "85c07606202c16f3305b5328ce23b05e0b7175e0b22db76153a0172ff507026c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1704.06665",
    "kind": "arxiv",
    "version": 1
  }
}