Pith Number

pith:WRLIZDF4

pith:2010:WRLIZDF4ECWMWRAREQ7KVX5DDI

not attested not anchored not stored refs pending

Chemical Clues on the Formation of Planetary Systems: C/O vs Mg/Si for HARPS GTO Sample

Elisa Delgado Mena, Garik Israelian, Jade C.Bond, Jonay I. Gonz\'alez-Hern\'andez, Michel Mayor, Nuno C. Santos, Stephane Udry

arxiv:1009.5224 v2 · 2010-09-27 · 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{WRLIZDF4ECWMWRAREQ7KVX5DDI}

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	2026-05-18T02:05:16.892056Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b4568c8cbc20accb4411243eaadfa31a2e853af40b64ae8f1a4c54fec0a07f5a

Aliases

arxiv: 1009.5224 · arxiv_version: 1009.5224v2 · doi: 10.48550/arxiv.1009.5224 · pith_short_12: WRLIZDF4ECWM · pith_short_16: WRLIZDF4ECWMWRAR · pith_short_8: WRLIZDF4

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/WRLIZDF4ECWMWRAREQ7KVX5DDI \
  | 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: b4568c8cbc20accb4411243eaadfa31a2e853af40b64ae8f1a4c54fec0a07f5a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ec6f83651f4645b33cd841ed18fb96c774581b12f4f343bc2c9ae4c25c37b2ba",
    "cross_cats_sorted": [
      "astro-ph.EP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2010-09-27T11:14:53Z",
    "title_canon_sha256": "27e5dc81bc737fc9eb955c9f779f98e56137365ec936cc14aab8c5eeef460e1b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1009.5224",
    "kind": "arxiv",
    "version": 2
  }
}