Pith Number

pith:UMB7EEXF

pith:2016:UMB7EEXFKTR34ZMSIFM73WJJB6

not attested not anchored not stored refs pending

White Dwarfs in the Metal-Rich Open Cluster NGC 6253

Alejandra Romero, Elizabeth J. Jeffery, Fabiola Campos, S.O. Kepler

arxiv:1611.02687 v1 · 2016-11-08 · 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{UMB7EEXFKTR34ZMSIFM73WJJB6}

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	2026-05-18T00:59:51.200019Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a303f212e554e3be65924159fdd9290fa3f955ddcfacca27abdc767827dba1bd

Aliases

arxiv: 1611.02687 · arxiv_version: 1611.02687v1 · doi: 10.48550/arxiv.1611.02687 · pith_short_12: UMB7EEXFKTR3 · pith_short_16: UMB7EEXFKTR34ZMS · pith_short_8: UMB7EEXF

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/UMB7EEXFKTR34ZMSIFM73WJJB6 \
  | 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: a303f212e554e3be65924159fdd9290fa3f955ddcfacca27abdc767827dba1bd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e4a304b3d761d1590bf11e44f6e50c2278219ed4f33386a335f895d6d97d8869",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2016-11-08T20:52:49Z",
    "title_canon_sha256": "0b04cf3a45294ae1ab70bcd7f484eb13f82673c962555fa853e83575f7d033ef"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1611.02687",
    "kind": "arxiv",
    "version": 1
  }
}