Pith Number

pith:EICLRCNI

pith:2018:EICLRCNINUQRCGXWPHLILN3O7C

not attested not anchored not stored refs pending

On local presentability of T/A

Andrew Polonsky, Patricia Johann

arxiv:1807.05263 v1 · 2018-07-06 · math.CT · cs.LO · 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{EICLRCNINUQRCGXWPHLILN3O7C}

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	2026-05-18T00:10:43.963495Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2204b889a86d21111af679d685b76ef8a8d7d87c30a4d1caf113c120b3023021

Aliases

arxiv: 1807.05263 · arxiv_version: 1807.05263v1 · doi: 10.48550/arxiv.1807.05263 · pith_short_12: EICLRCNINUQR · pith_short_16: EICLRCNINUQRCGXW · pith_short_8: EICLRCNI

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/EICLRCNINUQRCGXWPHLILN3O7C \
  | 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: 2204b889a86d21111af679d685b76ef8a8d7d87c30a4d1caf113c120b3023021

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "01a6cc8fe49577b576c3b5b662d6a4c3f8bc870d848d7bfdf39678dd0ab61f2e",
    "cross_cats_sorted": [
      "cs.LO",
      "math.LO"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "math.CT",
    "submitted_at": "2018-07-06T12:46:23Z",
    "title_canon_sha256": "439f95c945b0d050a5106e6dfab63673ea8eddc5a6f49ff914655674a4e8587f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.05263",
    "kind": "arxiv",
    "version": 1
  }
}