Pith Number

pith:2H3SU6N4

pith:2016:2H3SU6N4ILCE4OJ47KXYBEPRL4

not attested not anchored not stored refs pending

The red sequence at birth in the galaxy cluster ClJ1449+0856 at z=2

A. Cimatti, A. Finoguenov, A. Renzini, C. M. Carollo, E. Daddi, F. Valentino, G. Brammer, M. Dickinson, M. Onodera, M. Pannella, N. Arimoto, R. Gobat, V. Strazzullo

arxiv:1611.07976 v1 · 2016-11-23 · astro-ph.GA · 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{2H3SU6N4ILCE4OJ47KXYBEPRL4}

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	2026-05-18T00:54:26.287685Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d1f72a79bc42c44e393cfaaf8091f15f285bf9afa0b81912504a033dd1a4c8a2

Aliases

arxiv: 1611.07976 · arxiv_version: 1611.07976v1 · doi: 10.48550/arxiv.1611.07976 · pith_short_12: 2H3SU6N4ILCE · pith_short_16: 2H3SU6N4ILCE4OJ4 · pith_short_8: 2H3SU6N4

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/2H3SU6N4ILCE4OJ47KXYBEPRL4 \
  | 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: d1f72a79bc42c44e393cfaaf8091f15f285bf9afa0b81912504a033dd1a4c8a2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d0bc884ce222f59a64e0ffd6b5c40d4e843afc5c387fc8e9d685b63c570bd41a",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2016-11-23T21:00:00Z",
    "title_canon_sha256": "44c598fbc37e2ba4ae2585474d3a6ed2ef0508912c3b5e919002de80b2886aad"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1611.07976",
    "kind": "arxiv",
    "version": 1
  }
}