Pith Number

pith:MXOC7NFC

pith:2017:MXOC7NFCI5AX57AMYHJZHGTQGE

not attested not anchored not stored refs pending

Precise Real-Time Navigation of LEO Satellites Using a Single-Frequency GPS Receiver and Ultra-Rapid Ephemerides

Chao Han, Pei Chen, Xiucong Sun

arxiv:1704.02094 v1 · 2017-04-07 · astro-ph.IM · cs.IT · math.IT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MXOC7NFCI5AX57AMYHJZHGTQGE}

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	2026-05-18T00:45:58.109996Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

65dc2fb4a247417efc0cc1d3939a703118edfcccbd49d1d3058697c4aee6263c

Aliases

arxiv: 1704.02094 · arxiv_version: 1704.02094v1 · doi: 10.48550/arxiv.1704.02094 · pith_short_12: MXOC7NFCI5AX · pith_short_16: MXOC7NFCI5AX57AM · pith_short_8: MXOC7NFC

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/MXOC7NFCI5AX57AMYHJZHGTQGE \
  | 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: 65dc2fb4a247417efc0cc1d3939a703118edfcccbd49d1d3058697c4aee6263c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f333fd42a994d9a5685b8fc647728c67785205e965edb99d7b745ae1c8e73d69",
    "cross_cats_sorted": [
      "cs.IT",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2017-04-07T05:40:44Z",
    "title_canon_sha256": "9436da7cab0c546674b6e5b7dcf87c65960b4cd98b0ec83fdb103f7d16052efd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1704.02094",
    "kind": "arxiv",
    "version": 1
  }
}