Pith Number

pith:FXM7SEDK

pith:2018:FXM7SEDKHDODQXMQ3CCSGSKQ7Z

not attested not anchored not stored refs pending

Spectroscopic Follow-Up of the Hercules Aquila Cloud

Allyson Sheffield, Iulia T. Simion, Kathryn V. Johnston, Sergey E. Koposov, Vasily Belokurov

arxiv:1803.05918 v1 · 2018-03-15 · 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{FXM7SEDKHDODQXMQ3CCSGSKQ7Z}

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	2026-05-18T00:20:51.409083Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2dd9f9106a38dc385d90d885234950fe5e467550ecfaba194ac1880579c923ee

Aliases

arxiv: 1803.05918 · arxiv_version: 1803.05918v1 · doi: 10.48550/arxiv.1803.05918 · pith_short_12: FXM7SEDKHDOD · pith_short_16: FXM7SEDKHDODQXMQ · pith_short_8: FXM7SEDK

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/FXM7SEDKHDODQXMQ3CCSGSKQ7Z \
  | 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: 2dd9f9106a38dc385d90d885234950fe5e467550ecfaba194ac1880579c923ee

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3f5cb08a6216893febf6e2bf27d316fa2191a00d2f13b6429db792d92ac02ff6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-03-15T18:00:02Z",
    "title_canon_sha256": "5ab5241ace0a9616396c5846a056101dc8e90b28269700cb05cbfcbd97638192"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.05918",
    "kind": "arxiv",
    "version": 1
  }
}