Pith Number

pith:PRPD3D2Q

pith:2017:PRPD3D2Q45ZXALCWRVBCQGM4QK

not attested not anchored not stored refs pending

Learning to Segment Human by Watching YouTube

Jianchao Yang, Liang Lin, Shuicheng Yan, Xiaodan Liang, Xiaohui Shen, Yunchao Wei, Yunpeng Chen

arxiv:1710.01457 v2 · 2017-10-04 · 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{PRPD3D2Q45ZXALCWRVBCQGM4QK}

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	2026-05-18T00:22:20.692269Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7c5e3d8f50e773702c568d4228199c82a2ce4f8607d63df8de03ade5fd1e966d

Aliases

arxiv: 1710.01457 · arxiv_version: 1710.01457v2 · doi: 10.48550/arxiv.1710.01457 · pith_short_12: PRPD3D2Q45ZX · pith_short_16: PRPD3D2Q45ZXALCW · pith_short_8: PRPD3D2Q

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/PRPD3D2Q45ZXALCWRVBCQGM4QK \
  | 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: 7c5e3d8f50e773702c568d4228199c82a2ce4f8607d63df8de03ade5fd1e966d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "20de79cda39e6269ee1654e9493809e4e7fd9c7bc3803178bc5b4a7df41595d5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2017-10-04T04:16:23Z",
    "title_canon_sha256": "3a8f8ea5c06d377dbc1972cde99d9595dfe82f1562c3885b810d42419adbfe85"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1710.01457",
    "kind": "arxiv",
    "version": 2
  }
}