Pith Number

pith:4STXH44Z

pith:2016:4STXH44ZOYRQI6OL4LRAXDTUZ3

not attested not anchored not stored refs pending

The Umwelt of an Embodied Agent -- A Measure-Theoretic Definition

Nihat Ay, Wolfgang L\"ohr

arxiv:1603.08389 v1 · 2016-03-28 · cs.IT · math.IT · math.PR · nlin.AO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4STXH44ZOYRQI6OL4LRAXDTUZ3}

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	2026-05-18T01:04:53.691859Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e4a773f39976230479cbe2e20b8e74cede0972edae5ef1561a8fbc914f09dd72

Aliases

arxiv: 1603.08389 · arxiv_version: 1603.08389v1 · doi: 10.48550/arxiv.1603.08389 · pith_short_12: 4STXH44ZOYRQ · pith_short_16: 4STXH44ZOYRQI6OL · pith_short_8: 4STXH44Z

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/4STXH44ZOYRQI6OL4LRAXDTUZ3 \
  | 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: e4a773f39976230479cbe2e20b8e74cede0972edae5ef1561a8fbc914f09dd72

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f0ce4a1a1968c1531a280654c1a6d7b0c6d89676885d71f8392883834c7b3911",
    "cross_cats_sorted": [
      "math.IT",
      "math.PR",
      "nlin.AO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2016-03-28T14:37:36Z",
    "title_canon_sha256": "e1f8f89420f0c929eb6cd99e3c35122fa55147481aa09c8f2d3aa69efac07824"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1603.08389",
    "kind": "arxiv",
    "version": 1
  }
}