Pith Number

pith:VSJVJAYM

pith:2009:VSJVJAYMBATCDEDTA3U43UQJY3

not attested not anchored not stored refs pending

Near-ultraviolet and optical effects of Debris Disks around White Dwarfs

Alexandre Zabot, Antonio Kanaan, Roberto Cid Fernandes

arxiv:0909.4685 v1 · 2009-09-25 · 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{VSJVJAYMBATCDEDTA3U43UQJY3}

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	2026-05-18T02:34:27.614525Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ac9354830c082621907306e9cdd209c6cca9a3395f9e2e069c6d62c3d7651237

Aliases

arxiv: 0909.4685 · arxiv_version: 0909.4685v1 · doi: 10.48550/arxiv.0909.4685 · pith_short_12: VSJVJAYMBATC · pith_short_16: VSJVJAYMBATCDEDT · pith_short_8: VSJVJAYM

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/VSJVJAYMBATCDEDTA3U43UQJY3 \
  | 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: ac9354830c082621907306e9cdd209c6cca9a3395f9e2e069c6d62c3d7651237

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1d54bd4f93851e1ce2039c618f93346773e4cbbd29ff1f622a60ac6935862096",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2009-09-25T13:34:41Z",
    "title_canon_sha256": "10d76209493d8f22c75df2ba3031e719d9e8eed197f22c3250f2cac1611a7fa0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0909.4685",
    "kind": "arxiv",
    "version": 1
  }
}