Pith Number

pith:234XFHYH

pith:2021:234XFHYHD3AH3PG5DYR6IP44IN

not attested not anchored not stored refs pending

Efficient Compressed Sensing Based Image Coding by Using Gray Transformation

Bo Zhang, Di Xiao, Lan Wang, Lei Yang, Sen Bai

arxiv:2102.01272 v1 · 2021-02-02 · cs.MM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{234XFHYHD3AH3PG5DYR6IP44IN}

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	2026-07-05T02:11:28.611801Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d6f9729f071ec07dbcdd1e23e43f9c4343f9d212eea571662f7e99f3d9f254bc

Aliases

arxiv: 2102.01272 · arxiv_version: 2102.01272v1 · doi: 10.48550/arxiv.2102.01272 · pith_short_12: 234XFHYHD3AH · pith_short_16: 234XFHYHD3AH3PG5 · pith_short_8: 234XFHYH

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/234XFHYHD3AH3PG5DYR6IP44IN \
  | 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: d6f9729f071ec07dbcdd1e23e43f9c4343f9d212eea571662f7e99f3d9f254bc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e014ea7226e40e6b930a6bacf2fd5b0a3cbdfbb65b258c1f6b04124f6163042a",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "cs.MM",
    "submitted_at": "2021-02-02T03:09:56Z",
    "title_canon_sha256": "c717e14662df4807ea87a39469446e0d6a82b6b223c2b95092a52ffe4dd43b85"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2102.01272",
    "kind": "arxiv",
    "version": 1
  }
}