Pith Number

pith:Q6EC6KCZ

pith:2014:Q6EC6KCZXBP74WB22TDE5SZNJ2

not attested not anchored not stored refs pending

The Orthogonally Aligned Dark Halo of an Edge-on Lensing Galaxy in the Hubble Frontier Fields: A Challenge for Modified Gravity

Daniel Lam, Jeremy Lim, Jose M. Diego, Narciso Benitez, Tom Broadhurst

arxiv:1409.1578 v1 · 2014-09-04 · 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{Q6EC6KCZXBP74WB22TDE5SZNJ2}

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	2026-05-18T01:42:07.760618Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

87882f2859b85ffe583ad4c64ecb2d4ebed8cd69420b21ea1f47f4d64a39f0e0

Aliases

arxiv: 1409.1578 · arxiv_version: 1409.1578v1 · doi: 10.48550/arxiv.1409.1578 · pith_short_12: Q6EC6KCZXBP7 · pith_short_16: Q6EC6KCZXBP74WB2 · pith_short_8: Q6EC6KCZ

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/Q6EC6KCZXBP74WB22TDE5SZNJ2 \
  | 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: 87882f2859b85ffe583ad4c64ecb2d4ebed8cd69420b21ea1f47f4d64a39f0e0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "015f22fdf84c6af63a4edc8c6bcdcace1d293e100a0e1fca5e74a15a305cb1c6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2014-09-04T20:00:11Z",
    "title_canon_sha256": "4b6119561a4ea1cd60b7b404350f55ca191494e7f3ce9b2b221514cdc64f0b5d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1409.1578",
    "kind": "arxiv",
    "version": 1
  }
}