Pith Number

pith:JM4GPCU3

pith:2013:JM4GPCU345MB6XMFOIODVVBDXV

not attested not anchored not stored refs pending

Magnetized Gas in the Smith High Velocity Cloud

Alex S. Hill, Felix J. Lockman, Naomi M. McClure-Griffiths, Robert A. Benjamin, S. A. Mao

arxiv:1309.2553 v2 · 2013-09-10 · 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{JM4GPCU345MB6XMFOIODVVBDXV}

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	2026-05-18T03:08:06.674406Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4b38678a9be7581f5d85721c3ad423bd7b23ec92f5ed9ca9c58b18347a801b3a

Aliases

arxiv: 1309.2553 · arxiv_version: 1309.2553v2 · doi: 10.48550/arxiv.1309.2553 · pith_short_12: JM4GPCU345MB · pith_short_16: JM4GPCU345MB6XMF · pith_short_8: JM4GPCU3

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/JM4GPCU345MB6XMFOIODVVBDXV \
  | 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: 4b38678a9be7581f5d85721c3ad423bd7b23ec92f5ed9ca9c58b18347a801b3a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9e864e34b919cd33af888de4bb8e90462b2a95c2ac9d2dd0a2fffceebe012b59",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2013-09-10T15:46:55Z",
    "title_canon_sha256": "82980f3d41e73ee422a06539f3e80351219ac21204207decf55818378b160685"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.2553",
    "kind": "arxiv",
    "version": 2
  }
}