Pith Number

pith:VLBKQGKC

pith:2018:VLBKQGKCVTDRWLU4Z3XHEOYHBL

not attested not anchored not stored refs pending

Debris Disks: Probing Planet Formation

Mark C. Wyatt

arxiv:1804.08636 v1 · 2018-04-23 · astro-ph.EP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VLBKQGKCVTDRWLU4Z3XHEOYHBL}

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	2026-05-17T23:59:09.164812Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

aac2a81942acc71b2e9cceee723b070ac7de43f0be3c59b41f0d1a46c3b6c07d

Aliases

arxiv: 1804.08636 · arxiv_version: 1804.08636v1 · doi: 10.48550/arxiv.1804.08636 · pith_short_12: VLBKQGKCVTDR · pith_short_16: VLBKQGKCVTDRWLU4 · pith_short_8: VLBKQGKC

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/VLBKQGKCVTDRWLU4Z3XHEOYHBL \
  | 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: aac2a81942acc71b2e9cceee723b070ac7de43f0be3c59b41f0d1a46c3b6c07d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "aef1274c8434fcfe994e3c2ddde975a7cf3dac90614d48612916ad1db87eec0b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2018-04-23T18:00:06Z",
    "title_canon_sha256": "2f2c8a9edf105074a12e5cc9b91d6a070cbd871542823e418692f5ebf9772bd7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.08636",
    "kind": "arxiv",
    "version": 1
  }
}