Pith Number

pith:U6PREAVR

pith:2016:U6PREAVRRNFN2VIFJVETZF5HEY

not attested not anchored not stored refs pending

Dissecting the Extended Main Sequence Turn-off of the Young Star Cluster NGC1850

2), (2) JHU, (3) P. Univ. Catolica de Chile), Andrea Bellini (1), Jason S. Kalirai (1, Matteo Correnti (1), Paul Goudfrooij (1), Thomas H. Puzia (3) ((1) STScI

arxiv:1612.08746 v1 · 2016-12-27 · astro-ph.SR · 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{U6PREAVRRNFN2VIFJVETZF5HEY}

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	2026-05-18T00:52:37.058329Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a79f1202b18b4add55054d493c97a7262e09187cdb8e9e92f8dba86c27936b43

Aliases

arxiv: 1612.08746 · arxiv_version: 1612.08746v1 · doi: 10.48550/arxiv.1612.08746 · pith_short_12: U6PREAVRRNFN · pith_short_16: U6PREAVRRNFN2VIF · pith_short_8: U6PREAVR

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/U6PREAVRRNFN2VIFJVETZF5HEY \
  | 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: a79f1202b18b4add55054d493c97a7262e09187cdb8e9e92f8dba86c27936b43

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bdedaa11e812e33c66b22ea607a3779d8248d8afb228c9e29c5821cac53a7273",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2016-12-27T21:00:04Z",
    "title_canon_sha256": "f68170dd0a6a3fd99300149aeec5c8d48db8ae0453d4c5adc5ecadf5cfe44fef"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1612.08746",
    "kind": "arxiv",
    "version": 1
  }
}