Pith Number

pith:MR2QBJMP

pith:2017:MR2QBJMPMS2W5SEFN4Q4R7LTTV

not attested not anchored not stored refs pending

Connecting the first galaxies with ultra faint dwarfs in the Local Group: chemical signatures of Population~III stars

Gurtina Besla, Myoungwon Jeon, Volker Bromm

arxiv:1702.07355 v2 · 2017-02-23 · 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{MR2QBJMPMS2W5SEFN4Q4R7LTTV}

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	2026-05-18T00:32:11.571476Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

647500a58f64b56ec8856f21c8fd739d76837f19764bf5ef2b6a16ed05b6f6bc

Aliases

arxiv: 1702.07355 · arxiv_version: 1702.07355v2 · doi: 10.48550/arxiv.1702.07355 · pith_short_12: MR2QBJMPMS2W · pith_short_16: MR2QBJMPMS2W5SEF · pith_short_8: MR2QBJMP

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/MR2QBJMPMS2W5SEFN4Q4R7LTTV \
  | 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: 647500a58f64b56ec8856f21c8fd739d76837f19764bf5ef2b6a16ed05b6f6bc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b84c490ad811da95d51fd9598d9791f1d86ed6da840637486db63e72554c5e35",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2017-02-23T19:00:14Z",
    "title_canon_sha256": "f168fc9179d3603e381e5795c227050034c01d70040226c2e66e02f6e994d13f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1702.07355",
    "kind": "arxiv",
    "version": 2
  }
}