Pith Number

pith:POAHB5QZ

pith:2020:POAHB5QZXIWSQ6NHIP3SV4YXR4

not attested not anchored not stored refs pending

Deep Probabilistic Feature-metric Tracking

Andrew J. Davison, Binbin Xu, Stefan Leutenegger

arxiv:2008.13504 v2 · 2020-08-31 · cs.CV · 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{POAHB5QZXIWSQ6NHIP3SV4YXR4}

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	2026-07-05T01:54:46.736019Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7b8070f619ba2d2879a743f72af3178f112ea80e32f43ba0a75e348bfba862ce

Aliases

arxiv: 2008.13504 · arxiv_version: 2008.13504v2 · doi: 10.48550/arxiv.2008.13504 · pith_short_12: POAHB5QZXIWS · pith_short_16: POAHB5QZXIWSQ6NH · pith_short_8: POAHB5QZ

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/POAHB5QZXIWSQ6NHIP3SV4YXR4 \
  | 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: 7b8070f619ba2d2879a743f72af3178f112ea80e32f43ba0a75e348bfba862ce

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ea7d5a7c3f0e42dcfa172f8147b805712b24832106e70adbad0a8eb2709144b3",
    "cross_cats_sorted": [
      "cs.RO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2020-08-31T11:47:59Z",
    "title_canon_sha256": "0da3c797660f73e83323c08f85a5aefb38a2bf8736ea0c8236183adae7219d13"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2008.13504",
    "kind": "arxiv",
    "version": 2
  }
}