Pith Number

pith:6N6ATXBF

pith:2016:6N6ATXBF4GH4PYMVHC4EZXHIGW

not attested not anchored not stored refs pending

Follow-up observations of extremely metal-poor stars identified from SDSS

C. Allende Prieto, D. L. Lambert, D. S. Aguado, E. Fern\'andez-Alvar, J. I. Gonz\'alez Hern\'andez, M. Shetrone, R. Carrera, R. Rebolo

arxiv:1606.00604 v2 · 2016-06-02 · astro-ph.SR · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6N6ATXBF4GH4PYMVHC4EZXHIGW}

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	2026-05-18T01:07:16.217072Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f37c09dc25e18fc7e19538b84cdce835b2477befcaede68543c943ef9b2b3964

Aliases

arxiv: 1606.00604 · arxiv_version: 1606.00604v2 · doi: 10.48550/arxiv.1606.00604 · pith_short_12: 6N6ATXBF4GH4 · pith_short_16: 6N6ATXBF4GH4PYMV · pith_short_8: 6N6ATXBF

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/6N6ATXBF4GH4PYMVHC4EZXHIGW \
  | 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: f37c09dc25e18fc7e19538b84cdce835b2477befcaede68543c943ef9b2b3964

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b68a7679373cd3573161edf6b4b0e97a4a0891dab1f493788b8936f80a5a8aa6",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2016-06-02T10:04:47Z",
    "title_canon_sha256": "d1df5259d32777a58f05b55a4e8c8c96f8507f11d8ff6bd631dea773e6845389"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1606.00604",
    "kind": "arxiv",
    "version": 2
  }
}