Pith Number

pith:PA3WZJPL

pith:2018:PA3WZJPLDY3R57JKFOCVOG3VAW

not attested not anchored not stored refs pending

Science with an ngVLA: Tracing the Water Snowline in Protoplanetary disks with the ngVLA

Edwin A. Bergin, Jonathan P. Williams, Ke Zhang, Sean M. Andrews

arxiv:1810.06604 v1 · 2018-10-15 · 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{PA3WZJPLDY3R57JKFOCVOG3VAW}

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	2026-05-18T00:03:14.083142Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

78376ca5eb1e371efd2a2b85571b75058ecb1690bdb323d26ae506a551589718

Aliases

arxiv: 1810.06604 · arxiv_version: 1810.06604v1 · doi: 10.48550/arxiv.1810.06604 · pith_short_12: PA3WZJPLDY3R · pith_short_16: PA3WZJPLDY3R57JK · pith_short_8: PA3WZJPL

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/PA3WZJPLDY3R57JKFOCVOG3VAW \
  | 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: 78376ca5eb1e371efd2a2b85571b75058ecb1690bdb323d26ae506a551589718

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1d0bee2b27eaa20ae023db529565eb20f16543bf81a2b8a33bd583ddc959738e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2018-10-15T18:31:17Z",
    "title_canon_sha256": "73b2ecd799b30f25c8574229720d904846aa2f52fe974fc8cd7d2ec2c8c89d75"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.06604",
    "kind": "arxiv",
    "version": 1
  }
}