Pith Number

pith:QKJVZ7DK

pith:2018:QKJVZ7DKR4WUHDFZUA73BZY5S7

not attested not anchored not stored refs pending

Homological properties of persistent homology

Hanife Varl{\i}, Mehmetcik Pamuk, Ya\u{g}mur Y{\i}lmaz

arxiv:1805.01274 v1 · 2018-05-03 · math.AT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QKJVZ7DKR4WUHDFZUA73BZY5S7}

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	2026-05-18T00:16:51.970267Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

82935cfc6a8f2d438cb9a03fb0e71d97c8704e1a34218d908042d41db738d745

Aliases

arxiv: 1805.01274 · arxiv_version: 1805.01274v1 · doi: 10.48550/arxiv.1805.01274 · pith_short_12: QKJVZ7DKR4WU · pith_short_16: QKJVZ7DKR4WUHDFZ · pith_short_8: QKJVZ7DK

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/QKJVZ7DKR4WUHDFZUA73BZY5S7 \
  | 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: 82935cfc6a8f2d438cb9a03fb0e71d97c8704e1a34218d908042d41db738d745

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "56c3f5e95bc92fb81120bf0dbe3f26fdad68d036d973f53da296b746f3b8873a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AT",
    "submitted_at": "2018-05-03T13:05:00Z",
    "title_canon_sha256": "b575dd24d839ce9543d5241e9a06adfc0f14e835978fd737e7f7bdeea3a91048"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.01274",
    "kind": "arxiv",
    "version": 1
  }
}