Pith Number

pith:DSMFE4FK

pith:2017:DSMFE4FKWXNGHZJUBH64ONFPGN

not attested not anchored not stored refs pending

The peculiar Na-O anticorrelation of the bulge globular cluster NGC 6440

B. Dias, C. Mu\~noz, D. Geisler, F. Mauro, I. Saviane, R.E. Cohen, S. Villanova

arxiv:1705.02684 v1 · 2017-05-07 · 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{DSMFE4FKWXNGHZJUBH64ONFPGN}

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	2026-05-18T00:35:58.940753Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1c985270aab5da63e53409fdc734af336771bafbb25a8a359dac17e3069751a4

Aliases

arxiv: 1705.02684 · arxiv_version: 1705.02684v1 · doi: 10.48550/arxiv.1705.02684 · pith_short_12: DSMFE4FKWXNG · pith_short_16: DSMFE4FKWXNGHZJU · pith_short_8: DSMFE4FK

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/DSMFE4FKWXNGHZJUBH64ONFPGN \
  | 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: 1c985270aab5da63e53409fdc734af336771bafbb25a8a359dac17e3069751a4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6b5564200bc672b2ca19a73616fe1e557cc098ab16055aa4e5725f7b177433f2",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2017-05-07T19:27:30Z",
    "title_canon_sha256": "c7a27d82420775bc3f7dbebd486c4eaf03a3e9c24b511595abba07386b464573"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1705.02684",
    "kind": "arxiv",
    "version": 1
  }
}