Pith Number

pith:2H5VL6XG

pith:2018:2H5VL6XGRXBNN6EMH6CYVWWHAE

not attested not anchored not stored refs pending

Analyzing billion-objects catalog interactively: Apache Spark for physicists

C. Arnault, J.E. Campagne, J. Peloton, S. Plaszczynski

arxiv:1807.03078 v2 · 2018-07-09 · astro-ph.IM · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2H5VL6XGRXBNN6EMH6CYVWWHAE}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-17T23:40:34.610785Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d1fb55fae68dc2d6f88c3f858adac70124ef7d43acc050bdfd79b575a019abad

Aliases

arxiv: 1807.03078 · arxiv_version: 1807.03078v2 · doi: 10.48550/arxiv.1807.03078 · pith_short_12: 2H5VL6XGRXBN · pith_short_16: 2H5VL6XGRXBNN6EM · pith_short_8: 2H5VL6XG

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/2H5VL6XGRXBNN6EMH6CYVWWHAE \
  | 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: d1fb55fae68dc2d6f88c3f858adac70124ef7d43acc050bdfd79b575a019abad

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "423be4ed22216b821db70a4807445f2ec590fedd3b418aa7b0928bc0540ff9c0",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2018-07-09T12:48:30Z",
    "title_canon_sha256": "9a22771fec5dedf625218eb436051bc7786a07cd061ae7529c22ea436f52e004"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.03078",
    "kind": "arxiv",
    "version": 2
  }
}