Pith Number

pith:6EKJ62N7

pith:2018:6EKJ62N7RITJD6OUJ5BH3JODQN

not attested not anchored not stored refs pending

Science with an ngVLA: Exploring Protostellar Disk Formation with the ngVLA

Doug Johnstone, John Tobin, Patrick Sheehan, Rajeeb Sharma

arxiv:1810.07174 v1 · 2018-10-15 · astro-ph.SR · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6EKJ62N7RITJD6OUJ5BH3JODQN}

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	2026-05-18T00:02:59.224178Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f1149f69bf8a2691f9d44f427da5c38355f1c6f4f10c0a64c2ceb1c1e91da2b1

Aliases

arxiv: 1810.07174 · arxiv_version: 1810.07174v1 · doi: 10.48550/arxiv.1810.07174 · pith_short_12: 6EKJ62N7RITJ · pith_short_16: 6EKJ62N7RITJD6OU · pith_short_8: 6EKJ62N7

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/6EKJ62N7RITJD6OUJ5BH3JODQN \
  | 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: f1149f69bf8a2691f9d44f427da5c38355f1c6f4f10c0a64c2ceb1c1e91da2b1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "75a4f14bcdfa1cf83f22b4c2c8e479fbb455e6c9c84462ae9ec56e06450e943b",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2018-10-15T18:07:47Z",
    "title_canon_sha256": "1665c007576193a601e7031b8593c91d8664ec2ad64c9ff09b938b8e787c80d4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.07174",
    "kind": "arxiv",
    "version": 1
  }
}