Pith Number

pith:I2NA3WS3

pith:1999:I2NA3WS3XYQMCB6WVILJBZ4ONN

not attested not anchored not stored refs pending

Anderson et al. Reply (to the Comment by Murphy 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/9906113 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{I2NA3WS3XYQMCB6WVILJBZ4ONN}

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	2026-07-04T16:13:52.321901Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

469a0dda5bbe20c107d6aa1690e78e6b53381204b0a2fabcfaf39e743bcd73f8

Aliases

arxiv: gr-qc/9906113 · arxiv_version: gr-qc/9906113v1 · doi: 10.48550/arxiv.gr-qc/9906113 · pith_short_12: I2NA3WS3XYQM · pith_short_16: I2NA3WS3XYQMCB6W · pith_short_8: I2NA3WS3

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/I2NA3WS3XYQMCB6WVILJBZ4ONN \
  | 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: 469a0dda5bbe20c107d6aa1690e78e6b53381204b0a2fabcfaf39e743bcd73f8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1a91168853e9b567196cd09dde377d76e6696bd23f5bb889f2e2c0d88990b6fd",
    "cross_cats_sorted": [
      "astro-ph"
    ],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "1999-06-29T03:28:53Z",
    "title_canon_sha256": "67d2db7cf6314008f27e2506eaa0add0fd7c9b714263807f1b325b7cd5354dcc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/9906113",
    "kind": "arxiv",
    "version": 1
  }
}