Pith Number

pith:64M55TUO

pith:2015:64M55TUOANHCZKL666YWSVCZHP

not attested not anchored not stored refs pending

The Grism Lens-Amplified Survey from Space (GLASS). IV. Mass reconstruction of the lensing cluster Abell 2744 from frontier field imaging and GLASS spectroscopy

A. Fontana, A. Hoag, B. Vulcani, E. Merlin, G. B. Brammer, Jr., K. B. Schmidt, K.-H. Huang, M. Brada\v{c}, M. Castellano, M. Trenti, R. Amor\'in, R. E. Ryan, T. A. Jones, T. Treu, X. Wang

arxiv:1504.02405 v2 · 2015-04-09 · astro-ph.GA · 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{64M55TUOANHCZKL666YWSVCZHP}

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	2026-05-18T01:09:47.231729Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f719dece8e034e2ca97ef7b16954593be25b147335b071dce68eb7973277faa6

Aliases

arxiv: 1504.02405 · arxiv_version: 1504.02405v2 · doi: 10.48550/arxiv.1504.02405 · pith_short_12: 64M55TUOANHC · pith_short_16: 64M55TUOANHCZKL6 · pith_short_8: 64M55TUO

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/64M55TUOANHCZKL666YWSVCZHP \
  | 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: f719dece8e034e2ca97ef7b16954593be25b147335b071dce68eb7973277faa6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "631b48d967c5d94c0a08ad641e2886ac2b0f1d36d1d32bc7c502d6375b07f10f",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2015-04-09T18:10:31Z",
    "title_canon_sha256": "ff48c97ea17a872b631e5b3a884e007cdabfc49f02ed932757ddfa74d0df5370"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.02405",
    "kind": "arxiv",
    "version": 2
  }
}