Pith Number

pith:ALRPGAZT

pith:2015:ALRPGAZTSG7Z4AVQCZCHQG5YEB

not attested not anchored not stored refs pending

Realizability in OCAs and AKSs

Mauricio Guillermo, Octavio Malherbe, Walter Ferrer Santos

arxiv:1512.07879 v1 · 2015-12-24 · 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{ALRPGAZTSG7Z4AVQCZCHQG5YEB}

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	2026-05-18T01:23:45.878890Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

02e2f3033391bf9e02b01644781bb8207b43e38ecefe3ec184825344bab3984d

Aliases

arxiv: 1512.07879 · arxiv_version: 1512.07879v1 · doi: 10.48550/arxiv.1512.07879 · pith_short_12: ALRPGAZTSG7Z · pith_short_16: ALRPGAZTSG7Z4AVQ · pith_short_8: ALRPGAZT

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/ALRPGAZTSG7Z4AVQCZCHQG5YEB \
  | 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: 02e2f3033391bf9e02b01644781bb8207b43e38ecefe3ec184825344bab3984d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ad3ccd2318170c9966249c1ad76c9e2b5eb1748bc07985555b553acec84ce294",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2015-12-24T18:37:54Z",
    "title_canon_sha256": "5c292ba4176f27072a5c91bc384db56a9a79acf873b3896c48053194b1315c7e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1512.07879",
    "kind": "arxiv",
    "version": 1
  }
}