Pith Number

pith:YG6EF64F

pith:2009:YG6EF64FW2WYGJ6H4TFMSSU7U4

not attested not anchored not stored refs pending

Kinematics of Tycho-2 Red Giant Clump Stars

A.S. Stepanishchev, A.T. Bajkova, G.A. Gontcharov, V.V. Bobylev

arxiv:0910.3394 v1 · 2009-10-18 · astro-ph.GA · 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{YG6EF64FW2WYGJ6H4TFMSSU7U4}

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	2026-05-18T02:34:18.412236Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c1bc42fb85b6ad8327c7e4cac94a9fa72776a2bbbbbf1cd9a0459446b589ce5e

Aliases

arxiv: 0910.3394 · arxiv_version: 0910.3394v1 · doi: 10.48550/arxiv.0910.3394 · pith_short_12: YG6EF64FW2WY · pith_short_16: YG6EF64FW2WYGJ6H · pith_short_8: YG6EF64F

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/YG6EF64FW2WYGJ6H4TFMSSU7U4 \
  | 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: c1bc42fb85b6ad8327c7e4cac94a9fa72776a2bbbbbf1cd9a0459446b589ce5e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4c1267bc2616104b7d47239a5c11886f2121bbb6fd5f8657b3cda37caa79e496",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2009-10-18T18:02:30Z",
    "title_canon_sha256": "b8ab8026b002f9850fb595db88a7739a52a939bf696a78975e113b68be769990"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0910.3394",
    "kind": "arxiv",
    "version": 1
  }
}