Pith Number

pith:BVJB77MY

pith:2011:BVJB77MY4N35X4T6NIP5XTTPWS

not attested not anchored not stored refs pending

Metallicity of M dwarfs: the link to exoplanets

N. C. Santos, V. Neves, X. Bonfils

arxiv:1101.2808 v1 · 2011-01-14 · 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{BVJB77MY4N35X4T6NIP5XTTPWS}

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	2026-05-18T02:03:40.006598Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0d521ffd98e377dbf27e6a1fdbce6fb496d90b4c174059dab3f9326a8923274f

Aliases

arxiv: 1101.2808 · arxiv_version: 1101.2808v1 · doi: 10.48550/arxiv.1101.2808 · pith_short_12: BVJB77MY4N35 · pith_short_16: BVJB77MY4N35X4T6 · pith_short_8: BVJB77MY

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/BVJB77MY4N35X4T6NIP5XTTPWS \
  | 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: 0d521ffd98e377dbf27e6a1fdbce6fb496d90b4c174059dab3f9326a8923274f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5434715b0126392d7c150a8171aebc2ea8e1853c374ab247f926acd526d40c14",
    "cross_cats_sorted": [
      "astro-ph.EP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2011-01-14T13:55:23Z",
    "title_canon_sha256": "876761beb39ac1778f7f222344ab888aa1f6005d028c064b17a4d07ad91c5dc6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1101.2808",
    "kind": "arxiv",
    "version": 1
  }
}