Pith Number

pith:WJ3JCZ7T

pith:2020:WJ3JCZ7TICDJT6AD7OCEBV6RYR

not attested not anchored not stored refs pending

Dust in the outskirts of M31 and M33

Haibo Yuan, Ruoyi Zhang

arxiv:2011.12658 v3 · 2020-11-25 · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WJ3JCZ7TICDJT6AD7OCEBV6RYR}

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	2026-07-05T02:12:44.146157Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b2769167f3408699f803fb8440d7d1c47fb1ba2fc99ff4cc7c842aba3c33bdfe

Aliases

arxiv: 2011.12658 · arxiv_version: 2011.12658v3 · doi: 10.48550/arxiv.2011.12658 · pith_short_12: WJ3JCZ7TICDJ · pith_short_16: WJ3JCZ7TICDJT6AD · pith_short_8: WJ3JCZ7T

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/WJ3JCZ7TICDJT6AD7OCEBV6RYR \
  | 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: b2769167f3408699f803fb8440d7d1c47fb1ba2fc99ff4cc7c842aba3c33bdfe

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5de986d7360c0d5f79e61f7ca4dad8484309195688f8b5536330a0818ac825b0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2020-11-25T11:39:51Z",
    "title_canon_sha256": "c44aea972c3bea21565e0d2d52882e5d9ed90e068cd43cd6d47eb5c1228e4fe2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2011.12658",
    "kind": "arxiv",
    "version": 3
  }
}