Pith Number

pith:A3PS2PAE

pith:2002:A3PS2PAEIUWZQURVGCCZABGHNA

not attested not anchored not stored refs pending

Automated tuning of bifurcations via feedback

Eduardo Sontag, Luc Moreau, Murat Arcak

arxiv:math/0208167 v1 · 2002-08-22 · math.OC · q-bio

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{A3PS2PAEIUWZQURVGCCZABGHNA}

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	2026-07-04T14:36:23.341268Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

06df2d3c04452d98523530859004c76804f209460e62a02d8906f624f11e3295

Aliases

arxiv: math/0208167 · arxiv_version: math/0208167v1 · doi: 10.48550/arxiv.math/0208167 · pith_short_12: A3PS2PAEIUWZ · pith_short_16: A3PS2PAEIUWZQURV · pith_short_8: A3PS2PAE

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/A3PS2PAEIUWZQURVGCCZABGHNA \
  | 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: 06df2d3c04452d98523530859004c76804f209460e62a02d8906f624f11e3295

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8f52e430db7e390c578f16ed109692bb4533ee3e577847b77d1bd88f01f3313c",
    "cross_cats_sorted": [
      "q-bio"
    ],
    "license": "",
    "primary_cat": "math.OC",
    "submitted_at": "2002-08-22T16:17:38Z",
    "title_canon_sha256": "5bb89225ffa3e0d7e94c35029494f9f12b9e157de5058fc581fdc8b1ac2c8cec"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/0208167",
    "kind": "arxiv",
    "version": 1
  }
}