Pith Number

pith:BRT6EK4Q

pith:2013:BRT6EK4QU62IJB5GL5X3IC2FE7

not attested not anchored not stored refs pending

The Herschel Virgo Cluster Survey XVI: a cluster inventory

C. Fuller, C. Pappalardo, C. Vlahakis, G. J. Bendo, I. De Looze, J. Fritz, J. I. Davies, J. Verstappen, M. Baes, M. Clemens, M. W. L. Smith, S. Bianchi, S. di Serego Alighieri, S. Madden, T. M. Hughes

arxiv:1311.1774 v1 · 2013-11-07 · 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{BRT6EK4QU62IJB5GL5X3IC2FE7}

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	2026-05-18T01:46:33.171470Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0c67e22b90a7b48487a65f6fb40b4527f0b099c46b30c15088115915e0f67b8d

Aliases

arxiv: 1311.1774 · arxiv_version: 1311.1774v1 · doi: 10.48550/arxiv.1311.1774 · pith_short_12: BRT6EK4QU62I · pith_short_16: BRT6EK4QU62IJB5G · pith_short_8: BRT6EK4Q

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/BRT6EK4QU62IJB5GL5X3IC2FE7 \
  | 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: 0c67e22b90a7b48487a65f6fb40b4527f0b099c46b30c15088115915e0f67b8d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8a4165503a456862525e1a54838d469c47e471cc6cd3ebcc5d1d037c0b0c805c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-11-07T18:16:20Z",
    "title_canon_sha256": "908f26edc8645084bdaa1c38c833d0cd6d414fc3262fc7ebc36ea99dc46ad483"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1311.1774",
    "kind": "arxiv",
    "version": 1
  }
}