Pith Number

pith:TGCZ3LB4

pith:2018:TGCZ3LB4SUCY2NXYSLAYEQN2UJ

not attested not anchored not stored refs pending

A clumpy and anisotropic galaxy halo at z=1 from gravitational-arc tomography

Cedric Ledoux, Ismael Pessa, Jane R. Rigby, Keren Sharon, L. Felipe Barrientos, Matthew B. Bayliss, Michael D. Gladders, Nicolas Tejos, Sebastian Lopez

arxiv:1801.10175 v1 · 2018-01-30 · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TGCZ3LB4SUCY2NXYSLAYEQN2UJ}

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	2026-05-18T00:24:41.537252Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

99859dac3c95058d36f892c18241baa2798b5fb612d19c0ab6a1978cc5c80716

Aliases

arxiv: 1801.10175 · arxiv_version: 1801.10175v1 · doi: 10.48550/arxiv.1801.10175 · pith_short_12: TGCZ3LB4SUCY · pith_short_16: TGCZ3LB4SUCY2NXY · pith_short_8: TGCZ3LB4

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/TGCZ3LB4SUCY2NXYSLAYEQN2UJ \
  | 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: 99859dac3c95058d36f892c18241baa2798b5fb612d19c0ab6a1978cc5c80716

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ac98e1d3c9a0e26b830e851f49bf798e560ec0d00fc5195c4e6168bd7c3198bb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-01-30T19:01:23Z",
    "title_canon_sha256": "0aacd65cc0a2e0fa738d49a6cc8aabd6f0647060ded86fd647bca1f7fb961984"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.10175",
    "kind": "arxiv",
    "version": 1
  }
}