Pith Number

pith:37MO63PQ

pith:2009:37MO63PQVWPEIYBVAMG7QBBUBV

not attested not anchored not stored refs pending

Towards a dynamical mass of a PG 1159 star: radial velocities and spectral analysis of SDSS J212531-010745

B. Beeck, I. Traulsen, S. Schuh, T. Nagel

arxiv:0901.4887 v1 · 2009-01-30 · 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{37MO63PQVWPEIYBVAMG7QBBUBV}

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	2026-05-18T02:14:54.982743Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dfd8ef6df0ad9e446035030df804340d72bc70ed4c5b49c03c15b2d9dde00ca2

Aliases

arxiv: 0901.4887 · arxiv_version: 0901.4887v1 · doi: 10.48550/arxiv.0901.4887 · pith_short_12: 37MO63PQVWPE · pith_short_16: 37MO63PQVWPEIYBV · pith_short_8: 37MO63PQ

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/37MO63PQVWPEIYBVAMG7QBBUBV \
  | 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: dfd8ef6df0ad9e446035030df804340d72bc70ed4c5b49c03c15b2d9dde00ca2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8f4434873e190d14a64ef38aee0d8abbf38bcea31c21e274232292cd966d3f1b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2009-01-30T14:05:51Z",
    "title_canon_sha256": "287caf041ddd363a690a29b98cdb28841c713747130aa20f65e669b7c3b245fb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0901.4887",
    "kind": "arxiv",
    "version": 1
  }
}