Pith Number

pith:67OIES5E

pith:2021:67OIES5EELLCCNUWCWCLEFIB56

not attested not anchored not stored refs pending

CalQNet -- Detection of Calibration Quality for Life-Long Stereo Camera Setups

Andrei Cramariuc, Cesar Cadena, Florian Tschopp, Jen Jen Chung, Jiapeng Zhong, Roland Siegwart, Zheyu Ye

arxiv:2104.04837 v1 · 2021-04-10 · 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{67OIES5EELLCCNUWCWCLEFIB56}

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	2026-07-05T02:30:48.195828Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f7dc824ba422d62136961584b21501ef9ec9688db681d63f5cbe0a4d2249721d

Aliases

arxiv: 2104.04837 · arxiv_version: 2104.04837v1 · doi: 10.48550/arxiv.2104.04837 · pith_short_12: 67OIES5EELLC · pith_short_16: 67OIES5EELLCCNUW · pith_short_8: 67OIES5E

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/67OIES5EELLCCNUWCWCLEFIB56 \
  | 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: f7dc824ba422d62136961584b21501ef9ec9688db681d63f5cbe0a4d2249721d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1702aa52fccf0433165b46259d51234768fa9ce0a8b06a79409349650bf856db",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.RO",
    "submitted_at": "2021-04-10T18:46:48Z",
    "title_canon_sha256": "e63e6ebee95d6f83ca99427c44757f7fca5b88ee84db1412dda520fb147e32d5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2104.04837",
    "kind": "arxiv",
    "version": 1
  }
}