Pith Number

pith:2RDE3WQU

pith:2018:2RDE3WQUWCO5W7KKLDPBFE7EIA

not attested not anchored not stored refs pending

The star formation history of the Sextans dwarf spheroidal galaxy: a true fossil of the pre-reionization era

A. Aparicio, G. Piotto, M. Bettinelli, S. Cassisi, S. L. Hidalgo

arxiv:1801.08145 v1 · 2018-01-24 · 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{2RDE3WQUWCO5W7KKLDPBFE7EIA}

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	2026-05-18T00:25:06.982887Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d4464dda14b09ddb7d4a58de1293e44018052d28ca18fa05a64a1edd09c97b10

Aliases

arxiv: 1801.08145 · arxiv_version: 1801.08145v1 · doi: 10.48550/arxiv.1801.08145 · pith_short_12: 2RDE3WQUWCO5 · pith_short_16: 2RDE3WQUWCO5W7KK · pith_short_8: 2RDE3WQU

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/2RDE3WQUWCO5W7KKLDPBFE7EIA \
  | 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: d4464dda14b09ddb7d4a58de1293e44018052d28ca18fa05a64a1edd09c97b10

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2807178e5a013de827913b7e8e3555e8a5568ff61fb089b6dcf86d45320980dd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-01-24T19:00:03Z",
    "title_canon_sha256": "f6cc6b10f3939f7d4eac893d48a0a53c99b670ee0dd7b32b28baaee49d826f29"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.08145",
    "kind": "arxiv",
    "version": 1
  }
}