Pith Number

pith:VLYNO5OL

pith:2007:VLYNO5OLZJBQFJYPLUOITR3BW3

not attested not anchored not stored refs pending

A Near-Infrared Spectroscopic Study of the Accreting Magnetic White Dwarf SDSS J121209.31+013627.7 and its Substellar Companion

D.W. Hoard, J. Farihi, M.R. Burleigh

arxiv:0710.4969 v1 · 2007-10-25 · astro-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VLYNO5OLZJBQFJYPLUOITR3BW3}

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	2026-07-04T17:06:24.139000Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

aaf0d775cbca4302a70f5d1c89c761b6ed668ac969e70fd62eaf46bea69eea63

Aliases

arxiv: 0710.4969 · arxiv_version: 0710.4969v1 · doi: 10.48550/arxiv.0710.4969 · pith_short_12: VLYNO5OLZJBQ · pith_short_16: VLYNO5OLZJBQFJYP · pith_short_8: VLYNO5OL

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/VLYNO5OLZJBQFJYPLUOITR3BW3 \
  | 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: aaf0d775cbca4302a70f5d1c89c761b6ed668ac969e70fd62eaf46bea69eea63

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9ffea33bbedf61a4b956d43344728ce69fcfe8cfa59d47471fdb9464fba81849",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2007-10-25T23:01:00Z",
    "title_canon_sha256": "98fa6f2ca72a6c234d7102ab7494371f378aa0aab42de121eec09a56d1f19381"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0710.4969",
    "kind": "arxiv",
    "version": 1
  }
}