Pith Number

pith:3XATZ5CI

pith:1998:3XATZ5CI7GWR6KDRB4ZHFMSGAY

not attested not anchored not stored refs pending

A 1.4 GHz Survey of the Southern ELAIS Region

A. Franceschini, A. Hopkins, A. Lawrence, B. Rocca-Volmerange, C. Cesarsky, C. Gruppioni (Imperial College, D. Lemke, G. Miley, J-L. Puget, L. Cram, L. Danese, London), M. Rowan-Robinson, P. Ciliegi, R. Genzel, R.G. McMahon, S. Oliver

arxiv:astro-ph/9812256 v1 · 1998-12-14 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3XATZ5CI7GWR6KDRB4ZHFMSGAY}

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	2026-07-04T14:16:26.317370Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ddc13cf448f9ad1f28710f3272b2460614fed4b87326607b59e7240f85112321

Aliases

arxiv: astro-ph/9812256 · arxiv_version: astro-ph/9812256v1 · doi: 10.48550/arxiv.astro-ph/9812256 · pith_short_12: 3XATZ5CI7GWR · pith_short_16: 3XATZ5CI7GWR6KDR · pith_short_8: 3XATZ5CI

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/3XATZ5CI7GWR6KDRB4ZHFMSGAY \
  | 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: ddc13cf448f9ad1f28710f3272b2460614fed4b87326607b59e7240f85112321

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "aae0d47b129e57868381d2b7368670603ef4ecc2c4be8ba88726c1cb44c60630",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1998-12-14T10:52:36Z",
    "title_canon_sha256": "c4a3e3f73e3376454ffe1551f28d605f9d4c7d8c53fcebe490e9a427997a3c52"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9812256",
    "kind": "arxiv",
    "version": 1
  }
}