Pith Number

pith:4YFWNLZF

pith:2019:4YFWNLZFPGJ5NSIRE5YNVGBVRN

not attested not anchored not stored refs pending

Comments on a Recent Review Paper on Near-Sun Comets

Zdenek Sekanina

arxiv:1908.11368 v1 · 2019-08-29 · 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{4YFWNLZFPGJ5NSIRE5YNVGBVRN}

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	2026-07-05T00:00:32.948552Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e60b66af257993d6c9112770da98358b7076992529efeec962fdcbf3190aa68b

Aliases

arxiv: 1908.11368 · arxiv_version: 1908.11368v1 · doi: 10.48550/arxiv.1908.11368 · pith_short_12: 4YFWNLZFPGJ5 · pith_short_16: 4YFWNLZFPGJ5NSIR · pith_short_8: 4YFWNLZF

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/4YFWNLZFPGJ5NSIRE5YNVGBVRN \
  | 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: e60b66af257993d6c9112770da98358b7076992529efeec962fdcbf3190aa68b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "abe2498b05eb764a0a3ca51490e5000977e332fc1c9dec60db3a05e830df6b7b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2019-08-29T17:54:26Z",
    "title_canon_sha256": "932d0f6d7c1d2ffe978e446c96eac4dd7e90a9ff4cad623aea081cf45120c9c2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.11368",
    "kind": "arxiv",
    "version": 1
  }
}