Pith Number

pith:3URWKBNM

pith:2015:3URWKBNMXZBZOICK3ZHCZ52FLT

not attested not anchored not stored refs pending

M dwarfs and the fraction of high carbon-to-oxygen stars in the solar neighbourhood

Astronomy, John E. Gizis (1), Peter H. Hauschildt (2) ((1) Department of Physics, University of Delaware (2) Hamburger Sternwarte), Zachary Marks (1)

arxiv:1510.06985 v1 · 2015-10-23 · astro-ph.SR

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3URWKBNMXZBZOICK3ZHCZ52FLT}

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	2026-05-18T01:24:51.351892Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dd236505acbe4397204ade4e2cf7455cc5b809eb6b0248fc6076a5b77a9a777a

Aliases

arxiv: 1510.06985 · arxiv_version: 1510.06985v1 · doi: 10.48550/arxiv.1510.06985 · pith_short_12: 3URWKBNMXZBZ · pith_short_16: 3URWKBNMXZBZOICK · pith_short_8: 3URWKBNM

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/3URWKBNMXZBZOICK3ZHCZ52FLT \
  | 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: dd236505acbe4397204ade4e2cf7455cc5b809eb6b0248fc6076a5b77a9a777a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d02cce47a30c16ba842d2bce4104382c6cfc9b8d38dbf1c3c09da356ad6b11ea",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2015-10-23T16:36:26Z",
    "title_canon_sha256": "d9f75f1ee4f5301d8f183e03f7c86771430a88c6600c5e8889cc7467df1e24d9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1510.06985",
    "kind": "arxiv",
    "version": 1
  }
}