Pith Number

pith:7EPNGZTG

pith:2011:7EPNGZTGE5KT4Z4UV6HOJQE6W2

not attested not anchored not stored refs pending

Rotation State of Comet 103P/Hartley 2 from Radio Spectroscopy at 1 mm

Albrecht Sievers, Aurelie Guilbert-Lepoutre, Dariusz Lis, David Jewitt, Hiroshige Yoshida, James Hoge, Michal Drahus, Ruisheng Peng, Waclaw Waniak

arxiv:1104.0045 v1 · 2011-03-31 · 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{7EPNGZTGE5KT4Z4UV6HOJQE6W2}

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	2026-05-18T02:02:41.776301Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f91ed3666627553e6794af8ee4c09eb6be1965a9a7d233fe235c34a0fd906fef

Aliases

arxiv: 1104.0045 · arxiv_version: 1104.0045v1 · doi: 10.48550/arxiv.1104.0045 · pith_short_12: 7EPNGZTGE5KT · pith_short_16: 7EPNGZTGE5KT4Z4U · pith_short_8: 7EPNGZTG

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/7EPNGZTGE5KT4Z4UV6HOJQE6W2 \
  | 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: f91ed3666627553e6794af8ee4c09eb6be1965a9a7d233fe235c34a0fd906fef

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b6266171cd90102297694a0c6c75f89983c9f6995743f5ddf7446f4a7ffc3e2d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2011-03-31T22:16:35Z",
    "title_canon_sha256": "1d28d803e4221cbbbea16cba622649cc046ad221b6e6655da15f815a411afc68"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1104.0045",
    "kind": "arxiv",
    "version": 1
  }
}