Pith Number

pith:MMNY56HM

pith:2018:MMNY56HMQSFK6ZT3OSEXYZ7ZKG

not attested not anchored not stored refs pending

Optimal local estimates of visual motion in a natural environment

Rob R. de Ruyter van Steveninck, Shiva R. Sinha, William Bialek

arxiv:1812.11878 v1 · 2018-12-31 · q-bio.NC · cond-mat.dis-nn · physics.bio-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MMNY56HMQSFK6ZT3OSEXYZ7ZKG}

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	2026-07-05T02:06:03.946968Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

631b8ef8ec848aaf667b74897c67f951b9be3d620e3b1192427e4f21ad1a317a

Aliases

arxiv: 1812.11878 · arxiv_version: 1812.11878v1 · doi: 10.48550/arxiv.1812.11878 · pith_short_12: MMNY56HMQSFK · pith_short_16: MMNY56HMQSFK6ZT3 · pith_short_8: MMNY56HM

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/MMNY56HMQSFK6ZT3OSEXYZ7ZKG \
  | 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: 631b8ef8ec848aaf667b74897c67f951b9be3d620e3b1192427e4f21ad1a317a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "23efc15e0e18cce9009cdfab587043b49e49af48e8b3d3c14f12c74c1d3bdcae",
    "cross_cats_sorted": [
      "cond-mat.dis-nn",
      "physics.bio-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.NC",
    "submitted_at": "2018-12-31T16:20:12Z",
    "title_canon_sha256": "61eec99ba3e70e26fb6cf880a2b7b80239683bf98f0ce249e5087988c98432ff"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.11878",
    "kind": "arxiv",
    "version": 1
  }
}