Pith Number

pith:56N4R5MB

pith:2017:56N4R5MBBZHABFAXW6AVY6YBHL

not attested not anchored not stored refs pending

GNSS Signal Authentication via Power and Distortion Monitoring

Brian L. Evans, Jason N. Gross, Kyle D. Wesson, Todd E. Humphreys

arxiv:1702.06554 v4 · 2017-02-21 · cs.CR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{56N4R5MBBZHABFAXW6AVY6YBHL}

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	2026-07-05T00:50:51.089260Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ef9bc8f5810e4e009417b7815c7b013ae6c9d5c64f52e981b7ca5445fb96046c

Aliases

arxiv: 1702.06554 · arxiv_version: 1702.06554v4 · doi: 10.48550/arxiv.1702.06554 · pith_short_12: 56N4R5MBBZHA · pith_short_16: 56N4R5MBBZHABFAX · pith_short_8: 56N4R5MB

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/56N4R5MBBZHABFAXW6AVY6YBHL \
  | 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: ef9bc8f5810e4e009417b7815c7b013ae6c9d5c64f52e981b7ca5445fb96046c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0b2d9c36823ec8c87170f3d7877b74424a9b2b2b0dab3f762bdd08c3eda83cd9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2017-02-21T19:18:46Z",
    "title_canon_sha256": "7368fb280ff2baca41198d4a62e3e21bdea947def2c54e0ec257c975368a031e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1702.06554",
    "kind": "arxiv",
    "version": 4
  }
}