Pith Number

pith:NP2MVBKO

pith:2018:NP2MVBKOQDB7KFQBTPNVKFGZO6

not attested not anchored not stored refs pending

A neural field model for color perception unifying assimilation and contrast

Anna Song, Olivier Faugeras, Romain Veltz

arxiv:1810.12898 v2 · 2018-10-30 · q-bio.NC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NP2MVBKOQDB7KFQBTPNVKFGZO6}

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	2026-05-17T23:42:02.890987Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6bf4ca854e80c3f516019bdb5514d97798eefddf919624bf7949a576e8ba0a58

Aliases

arxiv: 1810.12898 · arxiv_version: 1810.12898v2 · doi: 10.48550/arxiv.1810.12898 · pith_short_12: NP2MVBKOQDB7 · pith_short_16: NP2MVBKOQDB7KFQB · pith_short_8: NP2MVBKO

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/NP2MVBKOQDB7KFQBTPNVKFGZO6 \
  | 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: 6bf4ca854e80c3f516019bdb5514d97798eefddf919624bf7949a576e8ba0a58

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "91b9e0cd303bf2a13849fa2ef2818364cec5eea0a09efd731e5c563c258c2549",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.NC",
    "submitted_at": "2018-10-30T17:50:29Z",
    "title_canon_sha256": "e3e62a01e7be827dbf0291db37d74599ea5e200bade88ecc0f6f5886d34fff7f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.12898",
    "kind": "arxiv",
    "version": 2
  }
}