Pith Number

pith:EM6TMUSN

pith:2021:EM6TMUSNPPNJUNSSW6JWD2A7XA

not attested not anchored not stored refs pending

Highly structured inner planetary system debris around the intermediate age Sun-like star TYC 8830 410 1

Alycia J. Weinberger, Carl Melis, Grant Kennedy, Inseok Song, Johan Olofsson, Mirko Krumpe, Paula Sarkis

arxiv:2104.06448 v2 · 2021-04-13 · astro-ph.SR · 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{EM6TMUSNPPNJUNSSW6JWD2A7XA}

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	2026-07-05T03:42:41.272456Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

233d36524d7bda9a3652b79361e81fb80a9617517a58ed75513b32fc8e4c038b

Aliases

arxiv: 2104.06448 · arxiv_version: 2104.06448v2 · doi: 10.48550/arxiv.2104.06448 · pith_short_12: EM6TMUSNPPNJ · pith_short_16: EM6TMUSNPPNJUNSS · pith_short_8: EM6TMUSN

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/EM6TMUSNPPNJUNSSW6JWD2A7XA \
  | 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: 233d36524d7bda9a3652b79361e81fb80a9617517a58ed75513b32fc8e4c038b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3d48f7902f66f9719a46309297f3efc27e6597cfeb5458a47178f14092d52d98",
    "cross_cats_sorted": [
      "astro-ph.EP"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2021-04-13T18:46:51Z",
    "title_canon_sha256": "2dad22e59ac61b988aa567f1ce87f0c10df8c179b2d4f94901cba3b1268d7757"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2104.06448",
    "kind": "arxiv",
    "version": 2
  }
}