Pith Number

pith:DZSRDLBT

pith:2005:DZSRDLBTFZHAGG72RCSCF4OAPJ

not attested not anchored not stored refs pending

Flat semilattices

Friedrich Wehrung (LMNO), George Gr\"atzer

arxiv:math/0501431 v1 · 2005-01-25 · math.GM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DZSRDLBTFZHAGG72RCSCF4OAPJ}

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	2026-05-18T01:08:51.378650Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1e6511ac332e4e031bfa88a422f1c07a449c4e19fc6ae07bd409a6b2fc88044e

Aliases

arxiv: math/0501431 · arxiv_version: math/0501431v1 · doi: 10.48550/arxiv.math/0501431 · pith_short_12: DZSRDLBTFZHA · pith_short_16: DZSRDLBTFZHAGG72 · pith_short_8: DZSRDLBT

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/DZSRDLBTFZHAGG72RCSCF4OAPJ \
  | 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: 1e6511ac332e4e031bfa88a422f1c07a449c4e19fc6ae07bd409a6b2fc88044e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b82765452776e01087377210573fa90e289f0566fffe9124bdb7510c7a661521",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "math.GM",
    "submitted_at": "2005-01-25T08:24:15Z",
    "title_canon_sha256": "726462b6c2b92894677b3b573322a759c7cce3a24994b20de9a8392fbdb24878"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/0501431",
    "kind": "arxiv",
    "version": 1
  }
}