Pith Number

pith:UV55T2IL

pith:2018:UV55T2ILRNVXTSMKD4ALTEMQOD

not attested not anchored not stored refs pending

Lyman and Balmer breaks reveal mature z=8 galaxies with the code Pegase.3

A. Hilberer, Brigitte Rocca-Volmerange, M. Fioc

arxiv:1812.04283 v1 · 2018-12-11 · 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{UV55T2ILRNVXTSMKD4ALTEMQOD}

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	2026-05-17T23:58:32.735763Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a57bd9e90b8b6b79c98a1f00b9919070e532e200196e592edb8adf0df8a26b16

Aliases

arxiv: 1812.04283 · arxiv_version: 1812.04283v1 · doi: 10.48550/arxiv.1812.04283 · pith_short_12: UV55T2ILRNVX · pith_short_16: UV55T2ILRNVXTSMK · pith_short_8: UV55T2IL

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/UV55T2ILRNVXTSMKD4ALTEMQOD \
  | 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: a57bd9e90b8b6b79c98a1f00b9919070e532e200196e592edb8adf0df8a26b16

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "11363af942ce7cddd0ef1a3199169bc241fc9319d928962888949ebfae2d6eb1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-12-11T09:19:49Z",
    "title_canon_sha256": "904bb378b6cbd3b515cfbd45a8d11364923becff6e6a92ad95d23c7b215bbbd6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.04283",
    "kind": "arxiv",
    "version": 1
  }
}