Pith Number

pith:T4WMBQPY

pith:2013:T4WMBQPYNBWTUIR7TCAJX76QSF

not attested not anchored not stored refs pending

Finding Very Small Near-Earth Asteroids using Synthetic Tracking

Bijan Nemati, Chengxing Zhai, Gregg W. Hallinan, Jagmit Sandhu, Leon K. Harding, Michael Shao, Slava G. Turyshev

arxiv:1309.3248 v2 · 2013-09-12 · astro-ph.IM · 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{T4WMBQPYNBWTUIR7TCAJX76QSF}

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	2026-05-18T02:44:56.907567Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9f2cc0c1f8686d3a223f98809bffd09162a6426b456c580aba101dc4871b094f

Aliases

arxiv: 1309.3248 · arxiv_version: 1309.3248v2 · doi: 10.48550/arxiv.1309.3248 · pith_short_12: T4WMBQPYNBWT · pith_short_16: T4WMBQPYNBWTUIR7 · pith_short_8: T4WMBQPY

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/T4WMBQPYNBWTUIR7TCAJX76QSF \
  | 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: 9f2cc0c1f8686d3a223f98809bffd09162a6426b456c580aba101dc4871b094f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "182f7be8007777a4cb23006ae4ba7b296da979fb0615ed091d60df50b394b8bb",
    "cross_cats_sorted": [
      "astro-ph.EP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2013-09-12T19:22:22Z",
    "title_canon_sha256": "7cbc741b81f5705bbcf58c3f91175343f508c6dc5136134637944e3ef82d5645"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.3248",
    "kind": "arxiv",
    "version": 2
  }
}