Pith Number

pith:YLBRTHQQ

pith:2019:YLBRTHQQFLVUIP5HAY546M7LUE

not attested not anchored not stored refs pending

Compressed ghost edge imaging

Hui Guo, Le Wang, Shengmei Zhao

arxiv:1902.09344 v1 · 2019-02-22 · eess.IV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YLBRTHQQFLVUIP5HAY546M7LUE}

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	2026-05-17T23:39:45.194488Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c2c3199e102aeb443fa7063bcf33eba117d8d6992dece89ee2ff547e78176e6a

Aliases

arxiv: 1902.09344 · arxiv_version: 1902.09344v1 · doi: 10.48550/arxiv.1902.09344 · pith_short_12: YLBRTHQQFLVU · pith_short_16: YLBRTHQQFLVUIP5H · pith_short_8: YLBRTHQQ

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/YLBRTHQQFLVUIP5HAY546M7LUE \
  | 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: c2c3199e102aeb443fa7063bcf33eba117d8d6992dece89ee2ff547e78176e6a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "65d2450fc84851efd01216608459d0929d70762b9de7ab4d73fe46d08d3305ec",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.IV",
    "submitted_at": "2019-02-22T12:40:57Z",
    "title_canon_sha256": "f972684676e603585e03f62eba941ca006c149606a6c90bb3b623f3ab1f9a8f2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.09344",
    "kind": "arxiv",
    "version": 1
  }
}