Pith Number

pith:XGLWS4E5

pith:2003:XGLWS4E57W7A6UEPP5AE6WDVZY

not attested not anchored not stored refs pending

A simple mechanism for balancing at the border of instability with applications to persistent neural activity

Eduardo Sontag, Luc Moreau

arxiv:math/0309295 v1 · 2003-09-18 · math.OC · 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{XGLWS4E57W7A6UEPP5AE6WDVZY}

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	2026-07-04T14:37:43.950927Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b99769709dfdbe0f508f7f404f5875ce163afde27d0938a391d32112fe8c45cc

Aliases

arxiv: math/0309295 · arxiv_version: math/0309295v1 · doi: 10.48550/arxiv.math/0309295 · pith_short_12: XGLWS4E57W7A · pith_short_16: XGLWS4E57W7A6UEP · pith_short_8: XGLWS4E5

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/XGLWS4E57W7A6UEPP5AE6WDVZY \
  | 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: b99769709dfdbe0f508f7f404f5875ce163afde27d0938a391d32112fe8c45cc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "421a03f85e03b58570bd528a894071a8052c217d4a29300c0bc6ed73a6e56c22",
    "cross_cats_sorted": [
      "q-bio.NC"
    ],
    "license": "",
    "primary_cat": "math.OC",
    "submitted_at": "2003-09-18T08:04:00Z",
    "title_canon_sha256": "4c0305266b53c2b77158709f08e6e702e3324eea48634bd855ff1a333970cbe7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/0309295",
    "kind": "arxiv",
    "version": 1
  }
}