Pith Number

pith:NUPIVZ6R

pith:2021:NUPIVZ6RQAIMFZNCV76275NPA3

not attested not anchored not stored refs pending

What's Wrong with the Bottom-up Methods in Arbitrary-shape Scene Text Detection

Chengpei Xu, Ruomei Wang, Tingcheng Cui, Wenjing Jia, Xiangjian He, Yuan-Fang Zhang

arxiv:2108.01809 v2 · 2021-08-04 · 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{NUPIVZ6RQAIMFZNCV76275NPA3}

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	2026-07-05T08:10:09.781296Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6d1e8ae7d18010c2e5a2affdaff5af06f6dd86691d2b36dececb081f7718c541

Aliases

arxiv: 2108.01809 · arxiv_version: 2108.01809v2 · doi: 10.48550/arxiv.2108.01809 · pith_short_12: NUPIVZ6RQAIM · pith_short_16: NUPIVZ6RQAIMFZNC · pith_short_8: NUPIVZ6R

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/NUPIVZ6RQAIMFZNCV76275NPA3 \
  | 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: 6d1e8ae7d18010c2e5a2affdaff5af06f6dd86691d2b36dececb081f7718c541

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f63d7bab13a8f1617506a99195c10d96a1eb8237b1e35ffb44c9c5c843aedb50",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.MM",
    "submitted_at": "2021-08-04T02:02:46Z",
    "title_canon_sha256": "8b1a659ade82abfcfb693d75e69e28efb44bba2005d7532135c028310db8fa67"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2108.01809",
    "kind": "arxiv",
    "version": 2
  }
}