Pith Number

pith:NRY4HCEM

pith:2017:NRY4HCEMX7JKA3GK6ACPV2QRYK

not attested not anchored not stored refs pending

Complexity of term representations of finitary functions

Erhard Aichinger, Jakub Opr\v{s}al, Neboj\v{s}a Mudrinski

arxiv:1709.01759 v1 · 2017-09-06 · math.RA · math.LO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NRY4HCEMX7JKA3GK6ACPV2QRYK}

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	2026-05-18T00:05:24.042623Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6c71c3888cbfd2a06ccaf004faea11c2b34d0905ccd3d18e41ed6be87aa15fcf

Aliases

arxiv: 1709.01759 · arxiv_version: 1709.01759v1 · doi: 10.48550/arxiv.1709.01759 · pith_short_12: NRY4HCEMX7JK · pith_short_16: NRY4HCEMX7JKA3GK · pith_short_8: NRY4HCEM

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/NRY4HCEMX7JKA3GK6ACPV2QRYK \
  | 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: 6c71c3888cbfd2a06ccaf004faea11c2b34d0905ccd3d18e41ed6be87aa15fcf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3deb12d513c144dc6bad25aa2f76876216e6a923a36752c68b3dd89c59a657b0",
    "cross_cats_sorted": [
      "math.LO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.RA",
    "submitted_at": "2017-09-06T10:52:46Z",
    "title_canon_sha256": "367bcbbbc23ca2e11adf6dc96d96b6dba1c1b87435ef516101d332a6099142ea"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1709.01759",
    "kind": "arxiv",
    "version": 1
  }
}