Pith Number

pith:PA7LI2AP

pith:2021:PA7LI2APSW6QUL77AJIJLYXPN4

not attested not anchored not stored refs pending

Credit Assignment Through Broadcasting a Global Error Vector

David G. Clark, L. F. Abbott, SueYeon Chung

arxiv:2106.04089 v2 · 2021-06-08 · q-bio.NC · cs.NE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PA7LI2APSW6QUL77AJIJLYXPN4}

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	2026-07-05T03:27:03.101236Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

783eb4680f95bd0a2fff025095e2ef6f379b124ee860f84e4812ce4d966d8e7e

Aliases

arxiv: 2106.04089 · arxiv_version: 2106.04089v2 · doi: 10.48550/arxiv.2106.04089 · pith_short_12: PA7LI2APSW6Q · pith_short_16: PA7LI2APSW6QUL77 · pith_short_8: PA7LI2AP

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/PA7LI2APSW6QUL77AJIJLYXPN4 \
  | 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: 783eb4680f95bd0a2fff025095e2ef6f379b124ee860f84e4812ce4d966d8e7e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f2e2d07ff223d44e2c12d4e9a88af0d4ffe27a3f0c766cd127f4c9a97a364c9e",
    "cross_cats_sorted": [
      "cs.NE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.NC",
    "submitted_at": "2021-06-08T04:08:46Z",
    "title_canon_sha256": "f9f8d795b23accd598146a84224c7b0206a50d449739101d6335dcf2c83e6033"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2106.04089",
    "kind": "arxiv",
    "version": 2
  }
}