Pith Number

pith:MAW6O7K4

pith:2012:MAW6O7K42VFDH2DKLRCDIYIVEQ

not attested not anchored not stored refs pending

Metallicities for 6 nearby open clusters from high-resolution spectra of giant stars. [Fe/H] values for a planet search sample

C. Lovis, D. Naef, G. Pace, J. Melendez, M. Montalto, N. C. Santos

arxiv:1201.1108 v1 · 2012-01-05 · astro-ph.SR · astro-ph.EP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MAW6O7K42VFDH2DKLRCDIYIVEQ}

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	2026-05-18T01:58:55.580678Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

602de77d5cd54a33e86a5c443461152438dcf8b3ed6f18f4b5011b26fb8d5d66

Aliases

arxiv: 1201.1108 · arxiv_version: 1201.1108v1 · doi: 10.48550/arxiv.1201.1108 · pith_short_12: MAW6O7K42VFD · pith_short_16: MAW6O7K42VFDH2DK · pith_short_8: MAW6O7K4

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/MAW6O7K42VFDH2DKLRCDIYIVEQ \
  | 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: 602de77d5cd54a33e86a5c443461152438dcf8b3ed6f18f4b5011b26fb8d5d66

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "623e9ec15d141012b38c26828d556c0afc98360cf28fa2fe429c48959506d323",
    "cross_cats_sorted": [
      "astro-ph.EP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2012-01-05T10:37:57Z",
    "title_canon_sha256": "57989f4393a286d09c3634bdcb1355aa974670bc6b0e71c5c5ea6131b71bf0b8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1201.1108",
    "kind": "arxiv",
    "version": 1
  }
}