Pith Number

pith:5ULG2E7Y

pith:2020:5ULG2E7YWE4F3OWEGQFWQ3IEQ7

not attested not anchored not stored refs pending

Tracking System for Optical Mobile Communication and the Design Rules

Bingcheng Zhu, Haibo Wang, Kehan Zhang, Zaichen Zhang

arxiv:2004.11611 v1 · 2020-04-24 · eess.SP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5ULG2E7YWE4F3OWEGQFWQ3IEQ7}

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	2026-07-05T00:57:55.801144Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ed166d13f8b1385dbac4340b686d0487dac6535cf7b60f06f49ab2d3bbe41592

Aliases

arxiv: 2004.11611 · arxiv_version: 2004.11611v1 · doi: 10.48550/arxiv.2004.11611 · pith_short_12: 5ULG2E7YWE4F · pith_short_16: 5ULG2E7YWE4F3OWE · pith_short_8: 5ULG2E7Y

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/5ULG2E7YWE4F3OWEGQFWQ3IEQ7 \
  | 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: ed166d13f8b1385dbac4340b686d0487dac6535cf7b60f06f49ab2d3bbe41592

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "59ae41368ebf579629beb1fb12a0b22480f9e18caf91518c2e37bff76eff1c9f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.SP",
    "submitted_at": "2020-04-24T09:21:44Z",
    "title_canon_sha256": "eb3b7627364ab0688f61516cb9cee65639d6431a448f93886c2063e35e726c50"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2004.11611",
    "kind": "arxiv",
    "version": 1
  }
}