Pith Number

pith:XZ4HXYX5

pith:2007:XZ4HXYX5PXCY42H52ZKCQXUNNF

not attested not anchored not stored refs pending

Seeking a solution of the Pioneer Anomaly

John D. Anderson, Michael Martin Nieto

arxiv:0709.1917 v1 · 2007-09-12 · gr-qc

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XZ4HXYX5PXCY42H52ZKCQXUNNF}

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	2026-05-18T01:00:02.723436Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

be787be2fd7dc58e68fdd654285e8d695add10da0f7d52df2f5703482ebcf548

Aliases

arxiv: 0709.1917 · arxiv_version: 0709.1917v1 · doi: 10.48550/arxiv.0709.1917 · pith_short_12: XZ4HXYX5PXCY · pith_short_16: XZ4HXYX5PXCY42H5 · pith_short_8: XZ4HXYX5

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/XZ4HXYX5PXCY42H52ZKCQXUNNF \
  | 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: be787be2fd7dc58e68fdd654285e8d695add10da0f7d52df2f5703482ebcf548

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6a069e36e6f8ce29a73626a95ca5f0784972580d68989fed85820a167cb7051f",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "2007-09-12T15:48:34Z",
    "title_canon_sha256": "d592e94c8d32ab7468a2a1fd226e441d3d438b3a91f04edb710b449e959656ff"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0709.1917",
    "kind": "arxiv",
    "version": 1
  }
}