Pith Number

pith:JFVNFOCI

pith:2018:JFVNFOCIBFHKCISOO6OXLOBR55

not attested not anchored not stored refs pending

The Sagittarius dwarf galaxy: Where did all the gas go?

Joss Bland-Hawthorn, Thor Tepper-Garc\'ia

arxiv:1802.09533 v2 · 2018-02-26 · 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{JFVNFOCIBFHKCISOO6OXLOBR55}

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	2026-05-18T00:14:13.970878Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

496ad2b848094ea1224e779d75b831ef6d617c04a0eaa67f2a7325683847464e

Aliases

arxiv: 1802.09533 · arxiv_version: 1802.09533v2 · doi: 10.48550/arxiv.1802.09533 · pith_short_12: JFVNFOCIBFHK · pith_short_16: JFVNFOCIBFHKCISO · pith_short_8: JFVNFOCI

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/JFVNFOCIBFHKCISOO6OXLOBR55 \
  | 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: 496ad2b848094ea1224e779d75b831ef6d617c04a0eaa67f2a7325683847464e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8675ff006cfa6d83ad83918fcadf33d30229d98ed710541bf5b36ba0ba9a7b5e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-02-26T19:00:01Z",
    "title_canon_sha256": "3c66b1f5e7b63efd018c14aea7ab1116f6ad8644ae1031f25952ec9137fbd1a5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.09533",
    "kind": "arxiv",
    "version": 2
  }
}