Pith Number

pith:QJGY2KWR

pith:2018:QJGY2KWRURJR4EMHTCBWYM4BCK

not attested not anchored not stored refs pending

Soft elementary compact in soft elementary topology

Abderachid Saadi, Mahmoud Bousselsal

arxiv:1803.11448 v2 · 2018-03-29 · 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{QJGY2KWRURJR4EMHTCBWYM4BCK}

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	2026-05-18T00:15:36.379358Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

824d8d2ad1a4531e118798836c338112b537a1c0f8d15a2010a6d413e4212134

Aliases

arxiv: 1803.11448 · arxiv_version: 1803.11448v2 · doi: 10.48550/arxiv.1803.11448 · pith_short_12: QJGY2KWRURJR · pith_short_16: QJGY2KWRURJR4EMH · pith_short_8: QJGY2KWR

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/QJGY2KWRURJR4EMHTCBWYM4BCK \
  | 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: 824d8d2ad1a4531e118798836c338112b537a1c0f8d15a2010a6d413e4212134

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bccb4675fd38ebc9582f009780bb007c391ef1d743bc099b60c34a5c645bf616",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GM",
    "submitted_at": "2018-03-29T16:16:36Z",
    "title_canon_sha256": "0e0f5023b261dad9772487998bf2c58309fc562c2900b336c71fc84130166d40"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.11448",
    "kind": "arxiv",
    "version": 2
  }
}