Pith Number

pith:7TQWGZ2Q

pith:2019:7TQWGZ2QRMDZJ2D6HIPU54CC54

not attested not anchored not stored refs pending

EPANer Team Description Paper for World Robot Challenge 2020

Li Sun, Nathan Crombez, Zhi Yan

arxiv:1909.02355 v1 · 2019-09-05 · cs.RO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7TQWGZ2QRMDZJ2D6HIPU54CC54}

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	2026-07-05T00:02:33.465019Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fce16367508b0794e87e3a1f4ef042ef026b243d5ffc3bf7b22729fcbe09259b

Aliases

arxiv: 1909.02355 · arxiv_version: 1909.02355v1 · doi: 10.48550/arxiv.1909.02355 · pith_short_12: 7TQWGZ2QRMDZ · pith_short_16: 7TQWGZ2QRMDZJ2D6 · pith_short_8: 7TQWGZ2Q

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/7TQWGZ2QRMDZJ2D6HIPU54CC54 \
  | 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: fce16367508b0794e87e3a1f4ef042ef026b243d5ffc3bf7b22729fcbe09259b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e450dd53779505a159967cf7a0c5b8dc46784bb02962b4b1ae1dbac5cd32d8d0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.RO",
    "submitted_at": "2019-09-05T12:20:07Z",
    "title_canon_sha256": "85bee9e6b6f0588b19b2332b969aa1a72f1e6a249aeb9a0a222549aaa58c422d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1909.02355",
    "kind": "arxiv",
    "version": 1
  }
}