Pith Number

pith:UNRAQCRB

pith:2015:UNRAQCRBEXZZICSIN7B3TTNPAW

not attested not anchored not stored refs pending

On the absolute age of the metal-rich globular M71 (NGC 6838): I. optical photometry

Alessandra Di Cecco, Emanuele Tognelli, France Allard, Giacinto Iannicola, Giuseppe Bono, Ivan Ferraro, Luigi Pulone, Mario Nonino, Matteo Monelli, Peter B. Stetson, Pier Giorgio Prada Moroni, Roberto Buonanno

arxiv:1506.01180 v1 · 2015-06-03 · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UNRAQCRBEXZZICSIN7B3TTNPAW}

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	2026-05-18T01:35:47.366089Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a362080a2125f3940a486fc3b9cdaf0595feee253ac9a3f1ff1158fab764b107

Aliases

arxiv: 1506.01180 · arxiv_version: 1506.01180v1 · doi: 10.48550/arxiv.1506.01180 · pith_short_12: UNRAQCRBEXZZ · pith_short_16: UNRAQCRBEXZZICSI · pith_short_8: UNRAQCRB

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/UNRAQCRBEXZZICSIN7B3TTNPAW \
  | 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: a362080a2125f3940a486fc3b9cdaf0595feee253ac9a3f1ff1158fab764b107

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "04267ec5fccb5c02cc3001428579fa601760707976b3779567c8a327f211a3e3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2015-06-03T09:44:56Z",
    "title_canon_sha256": "86302786ff755bc4ac0cf17da54460ac8b2d807c2b49c4d9f5b2783ed0200f27"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1506.01180",
    "kind": "arxiv",
    "version": 1
  }
}