Pith Number

pith:ULX2RKP4

pith:2026:ULX2RKP4JKAH53YLKOQAFQXDK5

not attested not anchored not stored refs pending

TACO: A Test and Check Framework for Robust Pose Graph Optimization

Alberto Pretto, Emilio Olivastri, Tobias Fischer

arxiv:2606.29851 v1 · 2026-06-29 · 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{ULX2RKP4JKAH53YLKOQAFQXDK5}

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	2026-06-30T02:17:38.113341Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a2efa8a9fc4a807eef0b53a002c2e35751cde05e848352b2386bd400be4522f3

Aliases

arxiv: 2606.29851 · arxiv_version: 2606.29851v1 · doi: 10.48550/arxiv.2606.29851 · pith_short_12: ULX2RKP4JKAH · pith_short_16: ULX2RKP4JKAH53YL · pith_short_8: ULX2RKP4

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/ULX2RKP4JKAH53YLKOQAFQXDK5 \
  | 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: a2efa8a9fc4a807eef0b53a002c2e35751cde05e848352b2386bd400be4522f3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "358ba57a109535e625f66df6de3fb4cadbc9099227c1c106107f81573a616277",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.RO",
    "submitted_at": "2026-06-29T06:39:09Z",
    "title_canon_sha256": "3349206de04f3ecfaf02f61e2146768eb6ea9d72bfbd19a00a63a3d950fad6bd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.29851",
    "kind": "arxiv",
    "version": 1
  }
}