Pith Number

pith:V5A63Z44

pith:2012:V5A63Z44KKZTJO6S3UOIYXS73C

not attested not anchored not stored refs pending

Preserving meets in meet-dense poset completions

Robert Egrot

arxiv:1201.3285 v4 · 2012-01-16 · 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{V5A63Z44KKZTJO6S3UOIYXS73C}

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	2026-05-18T01:19:06.623267Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

af41ede79c52b334bbd2dd1c8c5e5fd889527f0d6a23651f3f22c56d83fca310

Aliases

arxiv: 1201.3285 · arxiv_version: 1201.3285v4 · doi: 10.48550/arxiv.1201.3285 · pith_short_12: V5A63Z44KKZT · pith_short_16: V5A63Z44KKZTJO6S · pith_short_8: V5A63Z44

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/V5A63Z44KKZTJO6S3UOIYXS73C \
  | 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: af41ede79c52b334bbd2dd1c8c5e5fd889527f0d6a23651f3f22c56d83fca310

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c9b626958dcd2cd2fa5f08ed8a61ca9328475ee1e986e25fc7955991f2631a65",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.RA",
    "submitted_at": "2012-01-16T15:36:48Z",
    "title_canon_sha256": "4e897a7a84550a63daa890b92648319267ceb6cb911e7b3ee8195fec2c89a3ff"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1201.3285",
    "kind": "arxiv",
    "version": 4
  }
}