Pith Number

pith:3QIDWIVS

pith:2013:3QIDWIVSV6DZJSINROEZRSAEOU

not attested not anchored not stored refs pending

On active information storage in input-driven systems

Benedikt Schmidt, Joschka Boedecker, Minoru Asada, Oliver Obst

arxiv:1303.5526 v1 · 2013-03-22 · cs.IT · math.IT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3QIDWIVSV6DZJSINROEZRSAEOU}

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	2026-05-18T03:30:03.976982Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dc103b22b2af8794c90d8b8998c804752bf292808025de5470a0b05fb952dd4d

Aliases

arxiv: 1303.5526 · arxiv_version: 1303.5526v1 · doi: 10.48550/arxiv.1303.5526 · pith_short_12: 3QIDWIVSV6DZ · pith_short_16: 3QIDWIVSV6DZJSIN · pith_short_8: 3QIDWIVS

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/3QIDWIVSV6DZJSINROEZRSAEOU \
  | 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: dc103b22b2af8794c90d8b8998c804752bf292808025de5470a0b05fb952dd4d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e9d734eda5e24ec4afdb78ccebf3b66d6bf71d7a842df4cc4ecdd74d3f2533c5",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2013-03-22T06:40:30Z",
    "title_canon_sha256": "125ac23345d921e0e97d6eee9ccdb167de142fe2c3ef18cfbe74477487b73a52"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1303.5526",
    "kind": "arxiv",
    "version": 1
  }
}