Pith Number

pith:E6U7DI3L

pith:2012:E6U7DI3LKF72S5WSKVBPWWFMJD

not attested not anchored not stored refs pending

Valued difference fields and NTP2

Artem Chernikov, Martin Hils

arxiv:1208.1341 v3 · 2012-08-07 · 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{E6U7DI3LKF72S5WSKVBPWWFMJD}

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	2026-05-18T03:15:06.502774Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

27a9f1a36b517fa976d25542fb58ac48de71f988e5fa11fc82038e3f5f10f02e

Aliases

arxiv: 1208.1341 · arxiv_version: 1208.1341v3 · doi: 10.48550/arxiv.1208.1341 · pith_short_12: E6U7DI3LKF72 · pith_short_16: E6U7DI3LKF72S5WS · pith_short_8: E6U7DI3L

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/E6U7DI3LKF72S5WSKVBPWWFMJD \
  | 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: 27a9f1a36b517fa976d25542fb58ac48de71f988e5fa11fc82038e3f5f10f02e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "661e1c2a5e249e76a03a87d6dfb1f9be5374a6668ff72e573addf0686016f3e1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2012-08-07T06:18:13Z",
    "title_canon_sha256": "b7048b5bef306550781366db6c660014e9cb6a95e966e6bf5921a299d9f88820"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1208.1341",
    "kind": "arxiv",
    "version": 3
  }
}