Pith Number

pith:L2PKMJBD

pith:2025:L2PKMJBDWO57C2LVAOFT23N6ZW

not attested not anchored not stored refs pending

Provably-Safe, Online System Identification

Bohao Zhang, Ram Vasudevan, Zichang Zhou

arxiv:2504.21486 v1 · 2025-04-30 · 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{L2PKMJBDWO57C2LVAOFT23N6ZW}

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	2026-07-05T10:56:24.642156Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5e9ea62423b3bbf16975038b3d6dbecdb45579a0e594a732ad9f3f62ee271ddc

Aliases

arxiv: 2504.21486 · arxiv_version: 2504.21486v1 · doi: 10.48550/arxiv.2504.21486 · pith_short_12: L2PKMJBDWO57 · pith_short_16: L2PKMJBDWO57C2LV · pith_short_8: L2PKMJBD

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/L2PKMJBDWO57C2LVAOFT23N6ZW \
  | 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: 5e9ea62423b3bbf16975038b3d6dbecdb45579a0e594a732ad9f3f62ee271ddc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "454c776dbd601eca4124fa868e2449e3be2be58375eecfe167470ae6da4c1357",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "cs.RO",
    "submitted_at": "2025-04-30T10:10:32Z",
    "title_canon_sha256": "276d86cd696b7011539f69ddca0b904a7c8157dbce282ba5328c565032ad7b83"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2504.21486",
    "kind": "arxiv",
    "version": 1
  }
}