Pith Number

pith:53MHLCZE

pith:2016:53MHLCZEIBSJ336ZQLDW4V6UGP

not attested not anchored not stored refs pending

Non-Homogenizable Classes of Finite Structures

Albert Atserias, Szymon Toru\'nczyk

arxiv:1605.01199 v2 · 2016-05-04 · cs.LO · math.CO · 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{53MHLCZEIBSJ336ZQLDW4V6UGP}

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	2026-05-17T23:44:23.234037Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

eed8758b2440649defd982c76e57d433e2fc9660f2fdadaca1ce8b507afde0f8

Aliases

arxiv: 1605.01199 · arxiv_version: 1605.01199v2 · doi: 10.48550/arxiv.1605.01199 · pith_short_12: 53MHLCZEIBSJ · pith_short_16: 53MHLCZEIBSJ336Z · pith_short_8: 53MHLCZE

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/53MHLCZEIBSJ336ZQLDW4V6UGP \
  | 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: eed8758b2440649defd982c76e57d433e2fc9660f2fdadaca1ce8b507afde0f8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8fa1818adea854a0f320c0b34b5b33ea6bc82f9be1007f3545e752888c39c0ec",
    "cross_cats_sorted": [
      "math.CO",
      "math.LO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2016-05-04T09:47:00Z",
    "title_canon_sha256": "83b3c2cb58a4240415927a781b157db85dfd0487c5f5a3b3f59b69901ea64416"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1605.01199",
    "kind": "arxiv",
    "version": 2
  }
}