Pith Number

pith:W33XNEJK

pith:2015:W33XNEJKOXJQCMQRHUPXKSX2C6

not attested not anchored not stored refs pending

Stars, Gas, and Dark Matter in the Solar Neighborhood

Antonio Parravano, Christopher F. McKee, David J. Hollenbach

arxiv:1509.05334 v1 · 2015-09-17 · 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{W33XNEJKOXJQCMQRHUPXKSX2C6}

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	2026-05-18T01:26:41.531557Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b6f776912a75d30132113d1f754afa179a57931ebce55d2639865a37083587be

Aliases

arxiv: 1509.05334 · arxiv_version: 1509.05334v1 · doi: 10.48550/arxiv.1509.05334 · pith_short_12: W33XNEJKOXJQ · pith_short_16: W33XNEJKOXJQCMQR · pith_short_8: W33XNEJK

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/W33XNEJKOXJQCMQRHUPXKSX2C6 \
  | 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: b6f776912a75d30132113d1f754afa179a57931ebce55d2639865a37083587be

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a6a9fa995780791a2499585059c4f2de38c925795fd3db2edec9e63c202c29d6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2015-09-17T17:01:49Z",
    "title_canon_sha256": "9e0938443700938276ac854dfcb21d9fe4f55a3037494e86114c568a864faa47"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.05334",
    "kind": "arxiv",
    "version": 1
  }
}