Pith Number

pith:BFO754TL

pith:2017:BFO754TLO5Q275XUBVXOYCXJL2

not attested not anchored not stored refs pending

Two new confirmed massive relic galaxies: red nuggets in the present-day Universe

Alexandre Vazdekis, Anna Ferr\'e-Mateu, Ignacio Mart\'in-Navarro, Ignacio Trujillo, Lilian Dom\'inguez, Marc Balcells, Mar Mezcua

arxiv:1701.05197 v1 · 2017-01-18 · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BFO754TLO5Q275XUBVXOYCXJL2}

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	2026-05-18T00:51:41.008887Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

095dfef26b7761aff6f40d6eec0ae95ea0f8d6231bf6012201411322306ec9ac

Aliases

arxiv: 1701.05197 · arxiv_version: 1701.05197v1 · doi: 10.48550/arxiv.1701.05197 · pith_short_12: BFO754TLO5Q2 · pith_short_16: BFO754TLO5Q275XU · pith_short_8: BFO754TL

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/BFO754TLO5Q275XUBVXOYCXJL2 \
  | 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: 095dfef26b7761aff6f40d6eec0ae95ea0f8d6231bf6012201411322306ec9ac

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "253178f5f135ea6e9b8bcb9fa449b81dbd4fc943e6f33968393e78f4b19034a6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2017-01-18T19:00:07Z",
    "title_canon_sha256": "3fec45c74186d1e4e102f3e144e7fc0170674e7c5dab126647b77f289e7d4a8b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.05197",
    "kind": "arxiv",
    "version": 1
  }
}