Pith Number

pith:Y2B4YBMF

pith:2002:Y2B4YBMFUFBPPQQZQW6UG7BG64

not attested not anchored not stored refs pending

Spike timing and the coding of naturalistic sounds in a central auditory area of songbirds

Allison J. Doupe, Brian D. Wright, Kamal Sen, William Bialek

arxiv:physics/0201027 v1 · 2002-01-12 · physics.bio-ph · physics.data-an · 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{Y2B4YBMFUFBPPQQZQW6UG7BG64}

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	2026-07-04T14:43:34.488056Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c683cc0585a142f7c21985bd437c26f70f2493e01b4da9d8a6576399fd997957

Aliases

arxiv: physics/0201027 · arxiv_version: physics/0201027v1 · doi: 10.48550/arxiv.physics/0201027 · pith_short_12: Y2B4YBMFUFBP · pith_short_16: Y2B4YBMFUFBPPQQZ · pith_short_8: Y2B4YBMF

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/Y2B4YBMFUFBPPQQZQW6UG7BG64 \
  | 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: c683cc0585a142f7c21985bd437c26f70f2493e01b4da9d8a6576399fd997957

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "60ee759115b62f6437166ed7e0352432f6cf39951254fe38878a1ecbe326ddc8",
    "cross_cats_sorted": [
      "physics.data-an",
      "q-bio.NC"
    ],
    "license": "",
    "primary_cat": "physics.bio-ph",
    "submitted_at": "2002-01-12T06:50:52Z",
    "title_canon_sha256": "6233e3ca9f31d99179a294c01bfdc325a6373c97b7c137adf67dde6d37ac79af"
  },
  "schema_version": "1.0",
  "source": {
    "id": "physics/0201027",
    "kind": "arxiv",
    "version": 1
  }
}