Pith Number

pith:OV72PS4G

pith:2017:OV72PS4GASVLG5AFCQHVN4DLJH

not attested not anchored not stored refs pending

Low-metallicity (sub-SMC) massive stars

Artemio Herrero, Daniel J. Lennon, Francisco Najarro, Ines Camacho, Miguel A. Urbaneja, Miriam Garcia, Norberto Castro

arxiv:1703.00218 v1 · 2017-03-01 · astro-ph.SR · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OV72PS4GASVLG5AFCQHVN4DLJH}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T00:30:45.714661Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

757fa7cb8604aab37405140f56f06b49f936692f75a254736efd6b663b34db27

Aliases

arxiv: 1703.00218 · arxiv_version: 1703.00218v1 · doi: 10.48550/arxiv.1703.00218 · pith_short_12: OV72PS4GASVL · pith_short_16: OV72PS4GASVLG5AF · pith_short_8: OV72PS4G

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/OV72PS4GASVLG5AFCQHVN4DLJH \
  | 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: 757fa7cb8604aab37405140f56f06b49f936692f75a254736efd6b663b34db27

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ec16e5c616f1a9afa2a7af3bf2a0c8429b6b8a9162bcf1f7148facddf5745826",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2017-03-01T10:34:08Z",
    "title_canon_sha256": "98e583b3114d17e741331a07e08cf6962e364a98169069d81c98e398742d702d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.00218",
    "kind": "arxiv",
    "version": 1
  }
}