Pith Number

pith:GN3QPLZU

pith:2018:GN3QPLZUDBLCXZTNFWD3Y3IKRQ

not attested not anchored not stored refs pending

Real-Time Computability of Real Numbers by Chemical Reaction Networks

Jack H. Lutz, James I. Lathrop, Titus H. Klinge, Xiang Huang, Xiaoyuan Li

arxiv:1803.10267 v1 · 2018-03-27 · cs.CC · cs.ET

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GN3QPLZUDBLCXZTNFWD3Y3IKRQ}

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	2026-05-18T00:19:55.975116Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

337707af3418562be66d2d87bc6d0a8c028ff44c4f371b9f24c43e6908824c23

Aliases

arxiv: 1803.10267 · arxiv_version: 1803.10267v1 · doi: 10.48550/arxiv.1803.10267 · pith_short_12: GN3QPLZUDBLC · pith_short_16: GN3QPLZUDBLCXZTN · pith_short_8: GN3QPLZU

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/GN3QPLZUDBLCXZTNFWD3Y3IKRQ \
  | 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: 337707af3418562be66d2d87bc6d0a8c028ff44c4f371b9f24c43e6908824c23

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "af305043a8a9059c42dd10377fb3234bc9d4a2c1ef02d61d05a39122bff8e255",
    "cross_cats_sorted": [
      "cs.ET"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CC",
    "submitted_at": "2018-03-27T18:42:33Z",
    "title_canon_sha256": "a4d7629ada5503f3154f4594b2a7722f8e749f0b08ad8ead69cc03505a24c353"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.10267",
    "kind": "arxiv",
    "version": 1
  }
}