Pith Number

pith:UPIA7RO2

pith:2011:UPIA7RO2BMUB7HGCQ4FFBNMSFS

not attested not anchored not stored refs pending

The Carbon Monoxide Abundance in Comet 103P/Hartley during the EPOXI Flyby

H. A. Weaver, M. F. A'Hearn, N. Dello Russo, P. D. Feldman, S. A. Stern

arxiv:1104.4477 v1 · 2011-04-22 · 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{UPIA7RO2BMUB7HGCQ4FFBNMSFS}

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	2026-05-18T02:02:16.097732Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a3d00fc5da0b281f9cc2870a50b5922cbaea56c32dbe2588bfb00a785cd99ff9

Aliases

arxiv: 1104.4477 · arxiv_version: 1104.4477v1 · doi: 10.48550/arxiv.1104.4477 · pith_short_12: UPIA7RO2BMUB · pith_short_16: UPIA7RO2BMUB7HGC · pith_short_8: UPIA7RO2

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/UPIA7RO2BMUB7HGCQ4FFBNMSFS \
  | 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: a3d00fc5da0b281f9cc2870a50b5922cbaea56c32dbe2588bfb00a785cd99ff9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9b2bc798130e7d7df9b689e57396e473e19c238e7dd26bedba42fbbd15afc2f3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2011-04-22T16:48:38Z",
    "title_canon_sha256": "607279f13b2f55490d473ef9224bedc6e75b2cb4e4f017f43087b9862974f3ab"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1104.4477",
    "kind": "arxiv",
    "version": 1
  }
}