Pith Number

pith:KBWR4VHC

pith:2019:KBWR4VHCCWLLVVCFMW4BKMHT2E

not attested not anchored not stored refs pending

PI-BA Bundle Adjustment Acceleration on Embedded FPGAs with Co-observation Optimization

Bo Yu, Qiang Liu, Shaoshan Liu, Shuzhen Qin

arxiv:1905.02373 v1 · 2019-05-07 · eess.IV · cs.RO

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

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	2026-05-17T23:46:46.783456Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

506d1e54e21596bad44565b81530f3d1031431c94d17716cc82933572271e305

Aliases

arxiv: 1905.02373 · arxiv_version: 1905.02373v1 · doi: 10.48550/arxiv.1905.02373 · pith_short_12: KBWR4VHCCWLL · pith_short_16: KBWR4VHCCWLLVVCF · pith_short_8: KBWR4VHC

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/KBWR4VHCCWLLVVCFMW4BKMHT2E \
  | 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: 506d1e54e21596bad44565b81530f3d1031431c94d17716cc82933572271e305

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9c89bd89d8d1254755bfee3bb0ba9b5f8ff98c3ca95b997217eb59567d1465dd",
    "cross_cats_sorted": [
      "cs.RO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.IV",
    "submitted_at": "2019-05-07T06:40:00Z",
    "title_canon_sha256": "8cedee5020e6c860820d1a286550a5fc3366512c4a2690b6e61a5ece9e9cc0e5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.02373",
    "kind": "arxiv",
    "version": 1
  }
}