Pith Number

pith:BDHAWDRX

pith:2017:BDHAWDRX5G2UCM4O5BLQII4F64

not attested not anchored not stored refs pending

Signatures of rocky planet engulfment in HAT-P-4. Implications for chemical tagging studies

C. Saffe, E. Jofr\'e, E. Martioli, M. Flores, M. Jaque Arancibia, R. Petrucci

arxiv:1707.02180 v1 · 2017-07-07 · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BDHAWDRX5G2UCM4O5BLQII4F64}

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	2026-05-18T00:38:50.102331Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

08ce0b0e37e9b541338ee857042385f7148df90e2db2febd020bf1288883648a

Aliases

arxiv: 1707.02180 · arxiv_version: 1707.02180v1 · doi: 10.48550/arxiv.1707.02180 · pith_short_12: BDHAWDRX5G2U · pith_short_16: BDHAWDRX5G2UCM4O · pith_short_8: BDHAWDRX

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/BDHAWDRX5G2UCM4O5BLQII4F64 \
  | 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: 08ce0b0e37e9b541338ee857042385f7148df90e2db2febd020bf1288883648a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "378d924ffefca303498f0b0c3ff09603f6c022ff6cda5f00add101586ae52a88",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2017-07-07T13:57:00Z",
    "title_canon_sha256": "125a87b7c75c4c101e8055519539d55c2ecf7068396133485a6a7963cdfca9e5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1707.02180",
    "kind": "arxiv",
    "version": 1
  }
}