Pith Number

pith:VWPLKNBA

pith:2021:VWPLKNBA54HC6R5TMAWFNYI2C2

not attested not anchored not stored refs pending

Value Retrieval with Arbitrary Queries for Form-like Documents

Caiming Xiong, Chen Xing, Chetan Ramaiah, Le Xue, Mingfei Gao, Ran Xu

arxiv:2112.07820 v2 · 2021-12-15 · cs.CV · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VWPLKNBA54HC6R5TMAWFNYI2C2}

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	2026-07-05T04:15:12.558814Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ad9eb53420ef0e2f47b3602c56e11a1695628105f6e61bf218e8311a774e2683

Aliases

arxiv: 2112.07820 · arxiv_version: 2112.07820v2 · doi: 10.48550/arxiv.2112.07820 · pith_short_12: VWPLKNBA54HC · pith_short_16: VWPLKNBA54HC6R5T · pith_short_8: VWPLKNBA

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/VWPLKNBA54HC6R5TMAWFNYI2C2 \
  | 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: ad9eb53420ef0e2f47b3602c56e11a1695628105f6e61bf218e8311a774e2683

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "53113161e3bb89e26957cd0631b5b6a2bb326df76221cdb35a1a3735f1b0dfa9",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2021-12-15T01:12:02Z",
    "title_canon_sha256": "1880ee7fe672097084925474a711c2873472e9f554641a47fa95abcee62cc3a7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2112.07820",
    "kind": "arxiv",
    "version": 2
  }
}