Pith Number

pith:GYA5EPRS

pith:2011:GYA5EPRSNV5M4RVVTAHJHCVHKG

not attested not anchored not stored refs pending

Photometric Redshift Probability Distributions for Galaxies in the SDSS DR8

Benjamin A. Weaver, Carlos Cunha, Erin S. Sheldon, J. Brinkmann, Rachel Mandelbaum

arxiv:1109.5192 v1 · 2011-09-23 · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GYA5EPRSNV5M4RVVTAHJHCVHKG}

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	2026-05-18T02:00:25.746240Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3601d23e326d7ace46b5980e938aa751a41f8b89e7b30830c96e75ac58a3e395

Aliases

arxiv: 1109.5192 · arxiv_version: 1109.5192v1 · doi: 10.48550/arxiv.1109.5192 · pith_short_12: GYA5EPRSNV5M · pith_short_16: GYA5EPRSNV5M4RVV · pith_short_8: GYA5EPRS

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/GYA5EPRSNV5M4RVVTAHJHCVHKG \
  | 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: 3601d23e326d7ace46b5980e938aa751a41f8b89e7b30830c96e75ac58a3e395

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "49ab1d4c40f5a45ffc9fd1f01c48c5d0d4aa8df7b95ede6c9268852876f98f6a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-09-23T20:27:23Z",
    "title_canon_sha256": "241abc532bb84085529d0c7905b5047f7f94711e944720c213337b806fd85d45"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1109.5192",
    "kind": "arxiv",
    "version": 1
  }
}