Pith Number

pith:K5IDVTW2

pith:2012:K5IDVTW2Z67CLEVDG3QHVAGGMC

not attested not anchored not stored refs pending

A search for mass segregation of stars and brown dwarfs in \rho\ Ophiuchi

(2) IPAG, (3) ESA, Catarina Alves de Oliveira (3) ((1) ETH Zurich, France, Grenoble, Madrid, Richard J. Parker (1), Spain), Switzerland, Thomas Maschberger (2)

arxiv:1208.0005 v1 · 2012-07-31 · 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{K5IDVTW2Z67CLEVDG3QHVAGGMC}

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	2026-05-18T01:56:00.457163Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

57503acedacfbe2592a336e07a80c660abaa928bf4ffdf13ce411976232e48d6

Aliases

arxiv: 1208.0005 · arxiv_version: 1208.0005v1 · doi: 10.48550/arxiv.1208.0005 · pith_short_12: K5IDVTW2Z67C · pith_short_16: K5IDVTW2Z67CLEVD · pith_short_8: K5IDVTW2

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/K5IDVTW2Z67CLEVDG3QHVAGGMC \
  | 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: 57503acedacfbe2592a336e07a80c660abaa928bf4ffdf13ce411976232e48d6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dec290f91d3e4f35ef5e80940e7daff35ebfddca8c04026a1137f4b810c791ac",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2012-07-31T20:00:01Z",
    "title_canon_sha256": "8d8fcb0d1b997c470b839377a1a982294b9dbba8436d5c412e1a40f8c5fca0ae"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1208.0005",
    "kind": "arxiv",
    "version": 1
  }
}