Pith Number

pith:VONJ7ZAL

pith:2015:VONJ7ZALQCNHZOFSHFLXCD2GKD

not attested not anchored not stored refs pending

OB stars at the lowest Local Group metallicity: GTC-OSIRIS observations of Sextans A

A. Herrero, I. Camacho, M. Garcia, S. Sim\'on-D\'iaz

arxiv:1510.05408 v1 · 2015-10-19 · 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{VONJ7ZALQCNHZOFSHFLXCD2GKD}

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	2026-05-18T01:23:54.945035Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ab9a9fe40b809a7cb8b23957710f4650d90930e6f7168e03b27c3af8135562b7

Aliases

arxiv: 1510.05408 · arxiv_version: 1510.05408v1 · doi: 10.48550/arxiv.1510.05408 · pith_short_12: VONJ7ZALQCNH · pith_short_16: VONJ7ZALQCNHZOFS · pith_short_8: VONJ7ZAL

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/VONJ7ZALQCNHZOFSHFLXCD2GKD \
  | 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: ab9a9fe40b809a7cb8b23957710f4650d90930e6f7168e03b27c3af8135562b7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6c7cbf46f2f86edd80955b38439d887212a65087d76408b4ef67d9cde65d1244",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2015-10-19T09:56:53Z",
    "title_canon_sha256": "039a3f48c59db301fde9b7a6747d9f1ffa62731e7bb30fbfa48346a446da210f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1510.05408",
    "kind": "arxiv",
    "version": 1
  }
}