Pith Number

pith:6APFVRXM

pith:2010:6APFVRXMF37VHGVRGAEMLU6UJN

not attested not anchored not stored refs pending

A sparse population of young stars in Cepheus

A. Frasca, A. Klutsch, D. Montes, E. Marilli, F.-X. Pineau, J. L\'opez-Santiago, N. Grosso, P. Guillout

arxiv:1012.1979 v1 · 2010-12-09 · 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{6APFVRXMF37VHGVRGAEMLU6UJN}

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	2026-05-18T04:33:49.248459Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f01e5ac6ec2eff539ab13008c5d3d44b6f80d53ac16468d692db908128033f02

Aliases

arxiv: 1012.1979 · arxiv_version: 1012.1979v1 · doi: 10.48550/arxiv.1012.1979 · pith_short_12: 6APFVRXMF37V · pith_short_16: 6APFVRXMF37VHGVR · pith_short_8: 6APFVRXM

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/6APFVRXMF37VHGVRGAEMLU6UJN \
  | 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: f01e5ac6ec2eff539ab13008c5d3d44b6f80d53ac16468d692db908128033f02

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "874e95a9818f78236d73366cc0b504dc5940abbf876637335df5ec236ca503b0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2010-12-09T11:35:43Z",
    "title_canon_sha256": "b155a914d3503196edcad77d4cfe034f93901ae0388cf6f9b350e5c8a6415846"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1012.1979",
    "kind": "arxiv",
    "version": 1
  }
}