Pith. sign in
Pith Number

pith:2H4SHDZJ

pith:2000:2H4SHDZJKSCF3GUSGWPWCDL4NN
not attested not anchored not stored refs pending

Sub-Microarcsecond Astrometry and New Horizons in Relativistic Gravitational Physics

Carl R. Gwinn (University of California at Santa Barbara), Sergei M. Kopeikin (University of Missouri-Columbia)

arxiv:gr-qc/0004064 v1 · 2000-04-19 · gr-qc

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{2H4SHDZJKSCF3GUSGWPWCDL4NN}

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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.

Cited by

1 paper in Pith

Receipt and verification
First computed 2026-07-04T14:25:16.669202Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

d1f9238f2954845d9a92359f610d7c6b697ff8a28ccbc5b7cadcd8b03bcc64e7

Aliases

arxiv: gr-qc/0004064 · arxiv_version: gr-qc/0004064v1 · doi: 10.48550/arxiv.gr-qc/0004064 · pith_short_12: 2H4SHDZJKSCF · pith_short_16: 2H4SHDZJKSCF3GUS · pith_short_8: 2H4SHDZJ
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/2H4SHDZJKSCF3GUSGWPWCDL4NN \
  | 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: d1f9238f2954845d9a92359f610d7c6b697ff8a28ccbc5b7cadcd8b03bcc64e7
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "0aba2f4165478cf5479351969a912bbff8feff463ee6abed91cee4c653acb344",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "2000-04-19T21:15:56Z",
    "title_canon_sha256": "6e128988400e9558abe5e142fda053b2434236f59d88e39d861e0add7eacd635"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/0004064",
    "kind": "arxiv",
    "version": 1
  }
}