Pith Number

pith:U6GEDVMG

pith:2010:U6GEDVMG5HJBE6DS4PWADCRDIE

not attested not anchored not stored refs pending

Comparison of the Oxidation State of Fe in Comet 81P/Wild 2 and Chondritic-Porous Interplanetary Dust Particles

A. J. Westphal, A. L. Butterworth, M. A. Marcus, R. C. Ogliore, S. C. Fakra, Z. Gainsforth

arxiv:1005.3858 v1 · 2010-05-20 · 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{U6GEDVMG5HJBE6DS4PWADCRDIE}

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	2026-05-18T02:07:15.961436Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a78c41d586e9d2127872e3ec018a2341050c69b4c6b4719bb9d44552d4293da8

Aliases

arxiv: 1005.3858 · arxiv_version: 1005.3858v1 · doi: 10.48550/arxiv.1005.3858 · pith_short_12: U6GEDVMG5HJB · pith_short_16: U6GEDVMG5HJBE6DS · pith_short_8: U6GEDVMG

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/U6GEDVMG5HJBE6DS4PWADCRDIE \
  | 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: a78c41d586e9d2127872e3ec018a2341050c69b4c6b4719bb9d44552d4293da8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "845021e979c3b9c893b70163d258ddd2ced037aa47f0c0ceddd3ff0429824c22",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2010-05-20T23:42:28Z",
    "title_canon_sha256": "0648e4ee650fce57cd58abbe81bcebbbda5c52fc32d3f2bd924997067cf288c3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1005.3858",
    "kind": "arxiv",
    "version": 1
  }
}