Pith Number

pith:W6DYJCJ2

pith:2009:W6DYJCJ2GWCXI2YV6DKZXIGSN3

not attested not anchored not stored refs pending

On the oxygen isotopic composition of the Solar System

Alexander N. Krot, Eric Gaidos, Gary R. Huss

arxiv:0909.3589 v1 · 2009-09-21 · 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{W6DYJCJ2GWCXI2YV6DKZXIGSN3}

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	2026-05-18T02:34:29.483910Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b78784893a3585746b15f0d59ba0d26ec7f105d88a3e88e42211c081c1b487f9

Aliases

arxiv: 0909.3589 · arxiv_version: 0909.3589v1 · doi: 10.48550/arxiv.0909.3589 · pith_short_12: W6DYJCJ2GWCX · pith_short_16: W6DYJCJ2GWCXI2YV · pith_short_8: W6DYJCJ2

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/W6DYJCJ2GWCXI2YV6DKZXIGSN3 \
  | 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: b78784893a3585746b15f0d59ba0d26ec7f105d88a3e88e42211c081c1b487f9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c223cfaacdbb1cf0a71c6bef121d3c181f31509cdae3d03668a69e01517c771f",
    "cross_cats_sorted": [
      "astro-ph.EP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2009-09-21T04:28:22Z",
    "title_canon_sha256": "c957b57b1d6dfb2abf34e5c95eae284b4bb86ffc1094df836d6a32f83c43cfcb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0909.3589",
    "kind": "arxiv",
    "version": 1
  }
}