Pith Number

pith:4MYII6J7

pith:2009:4MYII6J7OIMKIMHZ7SFYTOC2EA

not attested not anchored not stored refs pending

Dynamics, Origin, and Activation of Main Belt Comets

Nader Haghighipour

arxiv:0911.4154 v1 · 2009-11-21 · 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{4MYII6J7OIMKIMHZ7SFYTOC2EA}

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	2026-05-18T02:10:37.901722Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e33084793f7218a430f9fc8b89b85a200f3b994403542884cfef98ef7fbf43cb

Aliases

arxiv: 0911.4154 · arxiv_version: 0911.4154v1 · doi: 10.48550/arxiv.0911.4154 · pith_short_12: 4MYII6J7OIMK · pith_short_16: 4MYII6J7OIMKIMHZ · pith_short_8: 4MYII6J7

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/4MYII6J7OIMKIMHZ7SFYTOC2EA \
  | 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: e33084793f7218a430f9fc8b89b85a200f3b994403542884cfef98ef7fbf43cb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "237cfb4c720fa3b87d8bac3ee732d7b8293031b0df4bb758c778beac782ec339",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2009-11-21T02:35:42Z",
    "title_canon_sha256": "8f0a4b7a67214ca1b32fe190ae012ba95ec532fe2258f7e365904258106c4c19"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0911.4154",
    "kind": "arxiv",
    "version": 1
  }
}