Pith Number

pith:4VUYCW7P

pith:2010:4VUYCW7PFY6UHAMIMGPIKTK4RY

not attested not anchored not stored refs pending

The nucleus of 103P/Hartley 2, target of the EPOXI mission

Colin Snodgrass, Karen Meech, Olivier Hainaut

arxiv:1005.1505 v1 · 2010-05-10 · 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{4VUYCW7PFY6UHAMIMGPIKTK4RY}

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	2026-05-18T02:07:34.905636Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e569815bef2e3d438188619e854d5c8e3667b55235dbbad4d1e5602cd1e3cb1d

Aliases

arxiv: 1005.1505 · arxiv_version: 1005.1505v1 · doi: 10.48550/arxiv.1005.1505 · pith_short_12: 4VUYCW7PFY6U · pith_short_16: 4VUYCW7PFY6UHAMI · pith_short_8: 4VUYCW7P

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/4VUYCW7PFY6UHAMIMGPIKTK4RY \
  | 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: e569815bef2e3d438188619e854d5c8e3667b55235dbbad4d1e5602cd1e3cb1d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "96fa6254495228a05ddf97ebd02fc1a129777fb67d2d5a238e2b890f11ac4442",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2010-05-10T11:49:28Z",
    "title_canon_sha256": "eea4b5fbda3984c51a4ef9a08aec395b7519f70aa335ed881b3f5977744f9edc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1005.1505",
    "kind": "arxiv",
    "version": 1
  }
}