Pith Number

pith:4E4VCGUW

pith:2019:4E4VCGUW7GDWAPAROK5ZKJJBDK

not attested not anchored not stored refs pending

Differentiable Causal Computations via Delayed Trace

David Sprunger, Shin-ya Katsumata

arxiv:1903.01093 v1 · 2019-03-04 · cs.LO · cs.NE · math.CT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4E4VCGUW7GDWAPAROK5ZKJJBDK}

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	2026-05-17T23:52:12.341133Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e139511a96f987603c1172bb9525211a8b9bb0ba64aabe13f482c5dbd73f0e90

Aliases

arxiv: 1903.01093 · arxiv_version: 1903.01093v1 · doi: 10.48550/arxiv.1903.01093 · pith_short_12: 4E4VCGUW7GDW · pith_short_16: 4E4VCGUW7GDWAPAR · pith_short_8: 4E4VCGUW

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/4E4VCGUW7GDWAPAROK5ZKJJBDK \
  | 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: e139511a96f987603c1172bb9525211a8b9bb0ba64aabe13f482c5dbd73f0e90

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b283a6a50d46e1e6a9d7c8849e9fb8ea2d41392cf721e7a5f9f185deb4ef3e61",
    "cross_cats_sorted": [
      "cs.NE",
      "math.CT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2019-03-04T07:05:27Z",
    "title_canon_sha256": "07e58b872473deb69d755778464ebb8170a96be80f1f2987361976bd11d32815"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.01093",
    "kind": "arxiv",
    "version": 1
  }
}