Pith Number

pith:WVXJEB4R

pith:2015:WVXJEB4RZHAROVOSEXS7LQHAQD

not attested not anchored not stored refs pending

A constellation of CubeSats with synthetic tracking cameras to search for 90% of potentially hazardous near-Earth objects

Chengxing Zhai, Michael Shao, Sara Spangelo, Slava G. Turyshev, Thomas Werne

arxiv:1503.07944 v2 · 2015-03-27 · astro-ph.IM

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WVXJEB4RZHAROVOSEXS7LQHAQD}

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	2026-05-18T00:39:53.176575Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b56e920791c9c11755d225e5f5c0e080eaadd4c6758870f58699674090f204b0

Aliases

arxiv: 1503.07944 · arxiv_version: 1503.07944v2 · doi: 10.48550/arxiv.1503.07944 · pith_short_12: WVXJEB4RZHAR · pith_short_16: WVXJEB4RZHAROVOS · pith_short_8: WVXJEB4R

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/WVXJEB4RZHAROVOSEXS7LQHAQD \
  | 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: b56e920791c9c11755d225e5f5c0e080eaadd4c6758870f58699674090f204b0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eef3ce4529fbd83fb462341d522c7868c65e8016c884fe649ed92c0832b1272a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2015-03-27T02:21:04Z",
    "title_canon_sha256": "81cfea248f1074cef8c95ca6f8f5413f43e3bbadccee4d3f9699c7e9ed0b2949"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.07944",
    "kind": "arxiv",
    "version": 2
  }
}