Pith Number

pith:37RHSZ7Q

pith:2021:37RHSZ7QLJKHDLHB3Z3NEVAVGZ

not attested not anchored not stored refs pending

The K2 Galactic Archaeology Program: Overview, target selection and survey properties

Dennis Stello, Joel C. Zinn, Joss Bland-Hawthorn, Sanjib Sharma

arxiv:2109.12173 v1 · 2021-09-24 · astro-ph.GA · 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{37RHSZ7QLJKHDLHB3Z3NEVAVGZ}

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	2026-07-05T04:45:12.108212Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dfe27967f05a5471ace1de76d25415364ab7123dfb1067f6709da90d4c5be70c

Aliases

arxiv: 2109.12173 · arxiv_version: 2109.12173v1 · doi: 10.48550/arxiv.2109.12173 · pith_short_12: 37RHSZ7QLJKH · pith_short_16: 37RHSZ7QLJKHDLHB · pith_short_8: 37RHSZ7Q

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/37RHSZ7QLJKHDLHB3Z3NEVAVGZ \
  | 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: dfe27967f05a5471ace1de76d25415364ab7123dfb1067f6709da90d4c5be70c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "03199eace97c819a63c83796e9cdb90687d41fc5b2a6bbf17877fc61bc76bb1a",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2021-09-24T20:18:06Z",
    "title_canon_sha256": "30c928eef6c97b561b96f298b12eedb474ed95b9b9d5d14e906ba1ef4b545055"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2109.12173",
    "kind": "arxiv",
    "version": 1
  }
}