Pith Number

pith:E4T3EFQF

pith:2018:E4T3EFQFGVQJIQXD66KTDNGVB4

not attested not anchored not stored refs pending

Preparing for the Cosmic Shear Data Flood: Optimal Data Extraction and Simulation Requirements for Stage IV Dark Energy Experiments

Jason D. McEwen (MSSL/UCL), Peter L. Taylor (MSSL/UCL), Thomas D. Kitching (MSSL/UCL)

arxiv:1804.03667 v2 · 2018-04-10 · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{E4T3EFQFGVQJIQXD66KTDNGVB4}

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	2026-05-18T00:06:04.474613Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2727b2160535609442e3f79531b4d50f17de45fd803f910939cf3ad88ddfe186

Aliases

arxiv: 1804.03667 · arxiv_version: 1804.03667v2 · doi: 10.48550/arxiv.1804.03667 · pith_short_12: E4T3EFQFGVQJ · pith_short_16: E4T3EFQFGVQJIQXD · pith_short_8: E4T3EFQF

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/E4T3EFQFGVQJIQXD66KTDNGVB4 \
  | 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: 2727b2160535609442e3f79531b4d50f17de45fd803f910939cf3ad88ddfe186

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ab4433a3a9cb6f8df63b765e31ac259a5a4adcf5207cb2c96d5859e9646cb141",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2018-04-10T18:00:19Z",
    "title_canon_sha256": "06bdff896f57dce830fadf0f717e04d041e18986387966d10cb944f23b7400dc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.03667",
    "kind": "arxiv",
    "version": 2
  }
}