Pith Number

pith:2HSU5HWP

pith:2018:2HSU5HWPTOWCMHX3JGPVXJZBI6

not attested not anchored not stored refs pending

Binarity among CEMP-no stars: an indication of multiple formation pathways?

Alan W. McConnachie, Anke Arentsen, Else Starkenburg, \'Eric Depagne, Kim A. Venn, Matthew D. Shetrone

arxiv:1811.01975 v1 · 2018-11-05 · astro-ph.SR · 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{2HSU5HWPTOWCMHX3JGPVXJZBI6}

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	2026-05-17T23:55:11.146193Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d1e54e9ecf9bac261efb499f5ba72147956e7f93aa4de08a3930f1c6c059440c

Aliases

arxiv: 1811.01975 · arxiv_version: 1811.01975v1 · doi: 10.48550/arxiv.1811.01975 · pith_short_12: 2HSU5HWPTOWC · pith_short_16: 2HSU5HWPTOWCMHX3 · pith_short_8: 2HSU5HWP

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/2HSU5HWPTOWCMHX3JGPVXJZBI6 \
  | 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: d1e54e9ecf9bac261efb499f5ba72147956e7f93aa4de08a3930f1c6c059440c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "85b72ab4daa48829d4ad12c144f48aa9693ec587aa29680b9f04d8d022bf1d07",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2018-11-05T19:00:26Z",
    "title_canon_sha256": "6d8573f124b83403374125a529355a5cfae1575e8c1972bdcb2c08940e7357e7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.01975",
    "kind": "arxiv",
    "version": 1
  }
}