Pith Number

pith:3YXBKRP5

pith:2015:3YXBKRP5RKIL62DW6XOYVBDOPJ

not attested not anchored not stored refs pending

Statistical Properties of Gray Color Categorization: Asymptotics of Psychometric Function

Ihor Lubashevsky, Marie Watanabe

arxiv:1511.07242 v1 · 2015-11-15 · q-bio.NC · 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{3YXBKRP5RKIL62DW6XOYVBDOPJ}

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	2026-05-18T01:26:11.870490Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

de2e1545fd8a90bf6876f5dd8a846e7a4397457fed227c882ef116481d10f952

Aliases

arxiv: 1511.07242 · arxiv_version: 1511.07242v1 · doi: 10.48550/arxiv.1511.07242 · pith_short_12: 3YXBKRP5RKIL · pith_short_16: 3YXBKRP5RKIL62DW · pith_short_8: 3YXBKRP5

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/3YXBKRP5RKIL62DW6XOYVBDOPJ \
  | 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: de2e1545fd8a90bf6876f5dd8a846e7a4397457fed227c882ef116481d10f952

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "df5107849ad975235c324bc1be2efcf59e693fdf060ee5f0fb6be5e4ce5b310e",
    "cross_cats_sorted": [
      "physics.bio-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.NC",
    "submitted_at": "2015-11-15T00:16:18Z",
    "title_canon_sha256": "6e1ce5e1ec81a589c6222b4cfddc730635b80a925acd33b6bb07727551ff72ac"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1511.07242",
    "kind": "arxiv",
    "version": 1
  }
}