Pith Number

pith:RNPM4TGD

pith:2009:RNPM4TGDI4YYHMUPIGQCMWVWVG

not attested not anchored not stored refs pending

Spectroscopic Observations of New Oort Cloud Comet 2006 VZ13 and Four Other Comets

A. M. Gilbert, E. Unda-Sanzana, O. Vaduvescu, P. A. Wiegert

arxiv:0910.0416 v1 · 2009-10-02 · 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{RNPM4TGDI4YYHMUPIGQCMWVWVG}

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	2026-05-18T02:11:34.908964Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8b5ece4cc3473183b28f41a0265ab6a985ac72415be5c7a42f0c0556d71b665f

Aliases

arxiv: 0910.0416 · arxiv_version: 0910.0416v1 · doi: 10.48550/arxiv.0910.0416 · pith_short_12: RNPM4TGDI4YY · pith_short_16: RNPM4TGDI4YYHMUP · pith_short_8: RNPM4TGD

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/RNPM4TGDI4YYHMUPIGQCMWVWVG \
  | 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: 8b5ece4cc3473183b28f41a0265ab6a985ac72415be5c7a42f0c0556d71b665f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bdc3b1d13ade0c50e365c40e1e4a70e3c4a866afa9bc5cc3f808c9c10fe1cae5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2009-10-02T14:59:55Z",
    "title_canon_sha256": "5c0b0b65e7ac956c5ffed30a86a5e1f7e3e380132af79ca55eaba9b679cd27c7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0910.0416",
    "kind": "arxiv",
    "version": 1
  }
}