Pith Number

pith:F7E54ANL

pith:1999:F7E54ANLJZGYM366X3744QYOKL

not attested not anchored not stored refs pending

Anderson et al. Reply (to the Comment by Katz on Pioneer 10/11)

Anthony S. Liu, Eunice L. Lau, John D. Anderson, Michael Martin Nieto, Philip A. Laing, Slava G. Turyshev

arxiv:gr-qc/9906112 v1 · 1999-06-29 · gr-qc · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{F7E54ANLJZGYM366X3744QYOKL}

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	2026-07-04T16:13:52.291512Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2fc9de01ab4e4d866fdebeffce430e52f568ea014a4de881fa56ad1b4800b69e

Aliases

arxiv: gr-qc/9906112 · arxiv_version: gr-qc/9906112v1 · doi: 10.48550/arxiv.gr-qc/9906112 · pith_short_12: F7E54ANLJZGY · pith_short_16: F7E54ANLJZGYM366 · pith_short_8: F7E54ANL

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/F7E54ANLJZGYM366X3744QYOKL \
  | 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: 2fc9de01ab4e4d866fdebeffce430e52f568ea014a4de881fa56ad1b4800b69e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "49eccf6daf4c0f96eab357c67e2ff7c13194a007d19ca92ab568012d74e15228",
    "cross_cats_sorted": [
      "astro-ph"
    ],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "1999-06-29T03:11:38Z",
    "title_canon_sha256": "42b94046efcdde5d82f98521b4b5f06483559f727f920684ae9e4e15eb97796e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/9906112",
    "kind": "arxiv",
    "version": 1
  }
}