Pith Number

pith:3JYFS2DI

pith:2015:3JYFS2DIMQ6TMLIKMFOKORQE6V

not attested not anchored not stored refs pending

On Constancy of the Speed of Light in the Global Positioning System

Yang-Ho Choi

arxiv:1506.02688 v1 · 2015-06-03 · physics.gen-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{3JYFS2DIMQ6TMLIKMFOKORQE6V}

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	2026-05-18T01:00:40.588262Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

da70596868643d362d0a615ca74604f55c2fe441c1f4a39ec21a7a438e2967e8

Aliases

arxiv: 1506.02688 · arxiv_version: 1506.02688v1 · doi: 10.48550/arxiv.1506.02688 · pith_short_12: 3JYFS2DIMQ6T · pith_short_16: 3JYFS2DIMQ6TMLIK · pith_short_8: 3JYFS2DI

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/3JYFS2DIMQ6TMLIKMFOKORQE6V \
  | 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: da70596868643d362d0a615ca74604f55c2fe441c1f4a39ec21a7a438e2967e8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "488b57a67ee803c2b0023f5f2cc339bb41d6a5b3f111c9ea1032fd588a660fed",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.gen-ph",
    "submitted_at": "2015-06-03T07:51:43Z",
    "title_canon_sha256": "625f59f9d3a0bc0ec8385c85364f6ebcc73b41c28dd6ace9f90d302de2bcbe69"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1506.02688",
    "kind": "arxiv",
    "version": 1
  }
}