Pith Number

pith:NWZXABY7

pith:2019:NWZXABY7OE7CW2FF5KUZP3KABY

not attested not anchored not stored refs pending

An Empirical Study of Propagation-based Methods for Video Object Segmentation

Guanjun Guo, Hengkai Guo, Huaxia Li, Jiachen Liu, Qian He, Wenji Wang, Xuefeng Xiao

arxiv:1907.12769 v1 · 2019-07-30 · 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{NWZXABY7OE7CW2FF5KUZP3KABY}

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	2026-07-04T23:50:24.347576Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6db370071f713e2b68a5eaa997ed400e10c6b31bbfe0fcb709782eb01cdcdf63

Aliases

arxiv: 1907.12769 · arxiv_version: 1907.12769v1 · doi: 10.48550/arxiv.1907.12769 · pith_short_12: NWZXABY7OE7C · pith_short_16: NWZXABY7OE7CW2FF · pith_short_8: NWZXABY7

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/NWZXABY7OE7CW2FF5KUZP3KABY \
  | 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: 6db370071f713e2b68a5eaa997ed400e10c6b31bbfe0fcb709782eb01cdcdf63

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bbcb5646bc60076129b195bedd6ae135059bc60674d218b6f0a7a5a4dc2d5445",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2019-07-30T08:00:47Z",
    "title_canon_sha256": "8318558406622e726f349f718b5e2b3425625afb3ec62fc5eb195c6319f0d074"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.12769",
    "kind": "arxiv",
    "version": 1
  }
}