Pith Number

pith:OW77ACQL

pith:2020:OW77ACQL4GLQXZ7KAAKPLQQFFM

not attested not anchored not stored refs pending

Freetures: Localization in Signed Distance Function Maps

Alexander Millane, Cesar Cadena, Christian Lanegger, Helen Oleynikova, Jeff Delmerico, Juan Nieto, Marc Pollefeys, Roland Siegwart

arxiv:2010.09378 v2 · 2020-10-19 · 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{OW77ACQL4GLQXZ7KAAKPLQQFFM}

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	2026-07-05T01:44:51.620122Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

75bff00a0be1970be7ea0014f5c2052b27217fc04f7a0cc8a9fc49cdd7f3f62c

Aliases

arxiv: 2010.09378 · arxiv_version: 2010.09378v2 · doi: 10.48550/arxiv.2010.09378 · pith_short_12: OW77ACQL4GLQ · pith_short_16: OW77ACQL4GLQXZ7K · pith_short_8: OW77ACQL

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/OW77ACQL4GLQXZ7KAAKPLQQFFM \
  | 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: 75bff00a0be1970be7ea0014f5c2052b27217fc04f7a0cc8a9fc49cdd7f3f62c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "aa880d4b48e8bb9c54ac6fb849d9dd7c73d3ebe8646bf79a268090fd75d266e2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.RO",
    "submitted_at": "2020-10-19T11:00:24Z",
    "title_canon_sha256": "589692950c51b98bd94a80c12a706cb20ded6d24115966b14687f108bd8af9d3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2010.09378",
    "kind": "arxiv",
    "version": 2
  }
}