Pith Number

pith:6MLYKWAI

pith:2014:6MLYKWAIREXDMGKL7KBSOP5OME

not attested not anchored not stored refs pending

Independence in computable algebra

Alexander Melnikov, Antonio Montalb\'an, Matthew Harrison-Trainor

arxiv:1409.7747 v2 · 2014-09-27 · math.LO

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

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	2026-05-18T01:55:33.570423Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f317855808892e36194bfa83273fae611bda10aa60e2d78c8378017ee8793618

Aliases

arxiv: 1409.7747 · arxiv_version: 1409.7747v2 · doi: 10.48550/arxiv.1409.7747 · pith_short_12: 6MLYKWAIREXD · pith_short_16: 6MLYKWAIREXDMGKL · pith_short_8: 6MLYKWAI

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/6MLYKWAIREXDMGKL7KBSOP5OME \
  | 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: f317855808892e36194bfa83273fae611bda10aa60e2d78c8378017ee8793618

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d36fad98543558316e02a7c3909fe51304562e51c46d0d16c8bd4d540617c3c6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2014-09-27T00:48:08Z",
    "title_canon_sha256": "6dd8a52315450026cfcf8cab8940e7da7b8a945e7d7f44fc5138a71e41e09a33"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1409.7747",
    "kind": "arxiv",
    "version": 2
  }
}