Pith Number

pith:P4QNU7RD

pith:2016:P4QNU7RDDDY4R5PD5I33QPOWYN

not attested not anchored not stored refs pending

Weak and strong structures and the $T_{3.5}$ property for generalized topological spaces

B. Samadi, E. Makai, E. Peyghan, Jr.

arxiv:1604.02881 v2 · 2016-04-11 · math.GN

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{P4QNU7RDDDY4R5PD5I33QPOWYN}

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	2026-05-18T01:17:11.274655Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7f20da7e2318f1c8f5e3ea37b83dd6c36411275e9498d41f4490bd06e904007a

Aliases

arxiv: 1604.02881 · arxiv_version: 1604.02881v2 · doi: 10.48550/arxiv.1604.02881 · pith_short_12: P4QNU7RDDDY4 · pith_short_16: P4QNU7RDDDY4R5PD · pith_short_8: P4QNU7RD

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/P4QNU7RDDDY4R5PD5I33QPOWYN \
  | 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: 7f20da7e2318f1c8f5e3ea37b83dd6c36411275e9498d41f4490bd06e904007a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f49a68a2aaeaa341ed411ed532b4eda689f3a8481a9d40c78a46ccec6821152c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GN",
    "submitted_at": "2016-04-11T10:53:17Z",
    "title_canon_sha256": "d0816d7209b70e29467e6d13897f3256a9f47dca69065eacedc6fbfd14f9195a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1604.02881",
    "kind": "arxiv",
    "version": 2
  }
}