Pith Number

pith:U5T2QL67

pith:2015:U5T2QL675TUOZ7QH7LY7VV2KAS

not attested not anchored not stored refs pending

Meet-completions and ordered domain algebras

Rob Egrot, Robin Hirsch

arxiv:1502.06478 v1 · 2015-02-23 · math.RA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{U5T2QL675TUOZ7QH7LY7VV2KAS}

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	2026-05-18T02:26:32.434164Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a767a82fdfece8ecfe07faf1fad74a0483318cd9d6d51aa5a7ddac7c251ecedd

Aliases

arxiv: 1502.06478 · arxiv_version: 1502.06478v1 · doi: 10.48550/arxiv.1502.06478 · pith_short_12: U5T2QL675TUO · pith_short_16: U5T2QL675TUOZ7QH · pith_short_8: U5T2QL67

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/U5T2QL675TUOZ7QH7LY7VV2KAS \
  | 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: a767a82fdfece8ecfe07faf1fad74a0483318cd9d6d51aa5a7ddac7c251ecedd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f1168e87fdbe213f4a0edeb760604f2931521382c5f8916649c3d6de6a833b88",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.RA",
    "submitted_at": "2015-02-23T16:01:57Z",
    "title_canon_sha256": "23a335a7adc6ecfe4299e376862323f84e83c9e379b99024c3a0cfebec07043a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.06478",
    "kind": "arxiv",
    "version": 1
  }
}