Pith Number

pith:X6ILBRHH

pith:2019:X6ILBRHH2BXAXEDGVA6ADD5A6W

not attested not anchored not stored refs pending

Implementation of a Low-Cost Flight Tracking System for High-Altitude Ballooning

Caitlyn A. K. Singam

arxiv:1908.07834 v1 · 2019-08-20 · eess.SP · cs.SY · eess.SY

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{X6ILBRHH2BXAXEDGVA6ADD5A6W}

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	2026-07-05T01:10:27.561298Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bf90b0c4e7d06e0b9066a83c018fa0f59a506c4a1060c258a939a517f2340e24

Aliases

arxiv: 1908.07834 · arxiv_version: 1908.07834v1 · doi: 10.48550/arxiv.1908.07834 · pith_short_12: X6ILBRHH2BXA · pith_short_16: X6ILBRHH2BXAXEDG · pith_short_8: X6ILBRHH

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/X6ILBRHH2BXAXEDGVA6ADD5A6W \
  | 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: bf90b0c4e7d06e0b9066a83c018fa0f59a506c4a1060c258a939a517f2340e24

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a813f58aa0ea2f9d7b317ec5a13ed0f29ecf281b5b6006a6b56c81760a9a646d",
    "cross_cats_sorted": [
      "cs.SY",
      "eess.SY"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.SP",
    "submitted_at": "2019-08-20T02:43:17Z",
    "title_canon_sha256": "fa504f77e95d35a3d73d710a550dd44edeabc948b6c3e3411efb38b202ab1d40"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.07834",
    "kind": "arxiv",
    "version": 1
  }
}