Pith Number

pith:2AM4JNTY

pith:2018:2AM4JNTYJGCD2KQ6UJHR5SZ7XY

not attested not anchored not stored refs pending

Concept Mask: Large-Scale Segmentation from Semantic Concepts

Jianming Zhang, Scott Cohen, Xiaohui Shen, Yufei Wang, Zhe Lin

arxiv:1808.06032 v1 · 2018-08-18 · cs.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2AM4JNTYJGCD2KQ6UJHR5SZ7XY}

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	2026-05-18T00:07:46.370127Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d019c4b67849843d2a1ea24f1ecb3fbe0fce81c8bf0bd7a5f4c237e6e7179424

Aliases

arxiv: 1808.06032 · arxiv_version: 1808.06032v1 · doi: 10.48550/arxiv.1808.06032 · pith_short_12: 2AM4JNTYJGCD · pith_short_16: 2AM4JNTYJGCD2KQ6 · pith_short_8: 2AM4JNTY

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/2AM4JNTYJGCD2KQ6UJHR5SZ7XY \
  | 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: d019c4b67849843d2a1ea24f1ecb3fbe0fce81c8bf0bd7a5f4c237e6e7179424

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0749bc9708bec125d42b87f48d7bdc008642191b36a76c4b32944d26ec95fa72",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2018-08-18T02:26:03Z",
    "title_canon_sha256": "c1ab5194105c904bb7d10a5fabbeb1632d1cf556ffe321c97bd5e29360450c95"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.06032",
    "kind": "arxiv",
    "version": 1
  }
}