Pith Number

pith:PMPGARPV

pith:2017:PMPGARPVURFVIFZGNIW4JTUXQH

not attested not anchored not stored refs pending

Searching for chemical signatures of brown dwarf formation

E. Villaver, J. Maldonado

arxiv:1702.02904 v1 · 2017-02-09 · astro-ph.SR · astro-ph.EP

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PMPGARPVURFVIFZGNIW4JTUXQH}

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	2026-05-18T00:42:52.654116Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7b1e6045f5a44b5417266a2dc4ce9781d306795d0a1edeb9432cc50c56f54245

Aliases

arxiv: 1702.02904 · arxiv_version: 1702.02904v1 · doi: 10.48550/arxiv.1702.02904 · pith_short_12: PMPGARPVURFV · pith_short_16: PMPGARPVURFVIFZG · pith_short_8: PMPGARPV

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/PMPGARPVURFVIFZGNIW4JTUXQH \
  | 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: 7b1e6045f5a44b5417266a2dc4ce9781d306795d0a1edeb9432cc50c56f54245

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "185e983b440d303437b439a5bf163cc16f5a915c377a38a6f562752f2ce5d524",
    "cross_cats_sorted": [
      "astro-ph.EP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2017-02-09T17:19:50Z",
    "title_canon_sha256": "17532fb512d2bcd1a519cd0ac29e7f9f117d428a6b1f0860710be8bfb81884b7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1702.02904",
    "kind": "arxiv",
    "version": 1
  }
}