Pith Number

pith:EZW2HOYQ

pith:2023:EZW2HOYQSSEQEPZ6YDPYT2I4AA

not attested not anchored not stored refs pending

Microporosity and parent body of the rubble-pile NEA (162173) Ryugu

Ekkehard K\"uhrt, Jens Biele, Mario Trieloff, Matthias Grott, Maximilian Hamm, Ralf Jaumann, Wladimir Neumann

arxiv:2302.04294 v1 · 2023-02-08 · 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{EZW2HOYQSSEQEPZ6YDPYT2I4AA}

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	2026-07-05T05:40:12.058674Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

266da3bb109489023f3ec0df89e91c001a194a43cb9cc3108076a8978cf5ef92

Aliases

arxiv: 2302.04294 · arxiv_version: 2302.04294v1 · doi: 10.48550/arxiv.2302.04294 · pith_short_12: EZW2HOYQSSEQ · pith_short_16: EZW2HOYQSSEQEPZ6 · pith_short_8: EZW2HOYQ

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/EZW2HOYQSSEQEPZ6YDPYT2I4AA \
  | 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: 266da3bb109489023f3ec0df89e91c001a194a43cb9cc3108076a8978cf5ef92

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b3697f3ca22b1120091246ff57c4a4c9b07f974106c96f6a687db3fa06000307",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2023-02-08T19:16:39Z",
    "title_canon_sha256": "99ea7d30b9fef79ee30ded4b7f3a8a7f025dba2b64e67a971a66140d24dab140"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2302.04294",
    "kind": "arxiv",
    "version": 1
  }
}