Pith Number

pith:YKTO6XW6

pith:2013:YKTO6XW6KBQF4BLA4RC6GXNNRP

not attested not anchored not stored refs pending

The merging cluster of galaxies Abell 3376: an optical view

(2) IAG/USP, (3) LAM, (4) IUCAA, Brazil, Christophe Adami (3), Clement Perrot (1), Emmanuel Bertin (1), Florence Durret (1), France, Gastao B. Lima Neto (2), India), Joydeep Bagchi (4) ((1) IAP

arxiv:1310.7493 v1 · 2013-10-28 · 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{YKTO6XW6KBQF4BLA4RC6GXNNRP}

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	2026-05-18T01:46:48.547336Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c2a6ef5ede50605e0560e445e35dad8be69f28a8630a0220e7f32cfcc89e1ad3

Aliases

arxiv: 1310.7493 · arxiv_version: 1310.7493v1 · doi: 10.48550/arxiv.1310.7493 · pith_short_12: YKTO6XW6KBQF · pith_short_16: YKTO6XW6KBQF4BLA · pith_short_8: YKTO6XW6

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/YKTO6XW6KBQF4BLA4RC6GXNNRP \
  | 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: c2a6ef5ede50605e0560e445e35dad8be69f28a8630a0220e7f32cfcc89e1ad3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0af7de7e91a2e519b276ce462159784509cfe659c19ebe624016887186f10db1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-10-28T17:00:22Z",
    "title_canon_sha256": "511e5915e42e9f7a5420d32cc0560a723fbf6b133a5f2d52086d860eeab8a756"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1310.7493",
    "kind": "arxiv",
    "version": 1
  }
}