Pith Number

pith:FMCI4GIK

pith:2016:FMCI4GIKDRN4Y5VG3WHNJEUM44

not attested not anchored not stored refs pending

Origins of carbon-enhanced metal-poor stars

Carlos S. Frenk, Mahavir Sharma, Ryan J. Cooke (ICC Durham), Tom Theuns

arxiv:1611.03868 v4 · 2016-11-11 · astro-ph.GA · astro-ph.CO · 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{FMCI4GIKDRN4Y5VG3WHNJEUM44}

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	2026-05-18T00:23:40.480565Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2b048e190a1c5bcc76a6dd8ed4928ce70f876c875d0842a857138017813a1d5e

Aliases

arxiv: 1611.03868 · arxiv_version: 1611.03868v4 · doi: 10.48550/arxiv.1611.03868 · pith_short_12: FMCI4GIKDRN4 · pith_short_16: FMCI4GIKDRN4Y5VG · pith_short_8: FMCI4GIK

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/FMCI4GIKDRN4Y5VG3WHNJEUM44 \
  | 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: 2b048e190a1c5bcc76a6dd8ed4928ce70f876c875d0842a857138017813a1d5e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "12b8dad67154f767aa4a66b6ff2646063c39ca3c3829f576ea42ef022fa50ac3",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2016-11-11T21:00:02Z",
    "title_canon_sha256": "9e0461d2f1515a095909e50b2ad0f2bfc6d65b84ae5aa481919582aa926525bb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1611.03868",
    "kind": "arxiv",
    "version": 4
  }
}