Pith Number

pith:KEFLFXKI

pith:2020:KEFLFXKIVRLHTEIREERGMESDMN

not attested not anchored not stored refs pending

Unravelling stellar populations in the Andromeda Galaxy

Grzegorz Gajda, Juntai Shen, Ling Zhu, Mat\'ias Bla\~na, Ortwin Gerhard, Ralf Bender, Roberto P. Saglia

arxiv:2005.04052 v2 · 2020-05-08 · 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{KEFLFXKIVRLHTEIREERGMESDMN}

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	2026-07-05T02:25:19.073544Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

510ab2dd48ac567991112122661243635640fc1fe042b507bfd473565c91c811

Aliases

arxiv: 2005.04052 · arxiv_version: 2005.04052v2 · doi: 10.48550/arxiv.2005.04052 · pith_short_12: KEFLFXKIVRLH · pith_short_16: KEFLFXKIVRLHTEIR · pith_short_8: KEFLFXKI

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/KEFLFXKIVRLHTEIREERGMESDMN \
  | 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: 510ab2dd48ac567991112122661243635640fc1fe042b507bfd473565c91c811

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "03bb886c11e306a0c676711d72f01d06c41183d674274b37e81b456f3ca29f43",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2020-05-08T13:59:55Z",
    "title_canon_sha256": "99e749669558fd95ec898a2aee1c84775169a374754a66b5247d68e8c46a7cb6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2005.04052",
    "kind": "arxiv",
    "version": 2
  }
}