Pith Number

pith:XHXNJOT5

pith:2011:XHXNJOT5JCEHKAXSCMQ76N5TQX

not attested not anchored not stored refs pending

Ultra-Low Delta-v Objects and the Human Exploration of Asteroids

Jeffrey A. Hoffman, Jonathan McDowell, Martin Elvis, Richard P. Binzel

arxiv:1105.4152 v2 · 2011-05-20 · 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{XHXNJOT5JCEHKAXSCMQ76N5TQX}

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	2026-05-18T04:19:55.643212Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b9eed4ba7d48887502f21321ff37b385d1139dab6ad1457f7d038f7ec66c1264

Aliases

arxiv: 1105.4152 · arxiv_version: 1105.4152v2 · doi: 10.48550/arxiv.1105.4152 · pith_short_12: XHXNJOT5JCEH · pith_short_16: XHXNJOT5JCEHKAXS · pith_short_8: XHXNJOT5

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/XHXNJOT5JCEHKAXSCMQ76N5TQX \
  | 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: b9eed4ba7d48887502f21321ff37b385d1139dab6ad1457f7d038f7ec66c1264

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5e7f9c5f43f1d84fcededb70108b64b0ed4aae80ab54eea6b07bae8dd67ec09a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2011-05-20T19:02:06Z",
    "title_canon_sha256": "23b52490de4b6fe54a1d506c3fed22c6dad68317df419d6ee7df79062ddc3473"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1105.4152",
    "kind": "arxiv",
    "version": 2
  }
}