Pith Number

pith:DK4YZJEX

pith:2016:DK4YZJEXXDVPMOW75UMHJDPK6G

not attested not anchored not stored refs pending

Maximal Sections of Sheaves of Data over an Abstract Simplicial Complex

Brenda Praggastis

arxiv:1612.00397 v1 · 2016-12-01 · cs.NI · 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{DK4YZJEXXDVPMOW75UMHJDPK6G}

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	2026-05-18T00:56:05.312806Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1ab98ca497b8eaf63adfed18748deaf190e322e7b8b85515910c6668234c41e1

Aliases

arxiv: 1612.00397 · arxiv_version: 1612.00397v1 · doi: 10.48550/arxiv.1612.00397 · pith_short_12: DK4YZJEXXDVP · pith_short_16: DK4YZJEXXDVPMOW7 · pith_short_8: DK4YZJEX

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/DK4YZJEXXDVPMOW75UMHJDPK6G \
  | 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: 1ab98ca497b8eaf63adfed18748deaf190e322e7b8b85515910c6668234c41e1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6b0611e62592538dfd5831f517e529507218ff8fd928f82e78514d755c6349c9",
    "cross_cats_sorted": [
      "math.AT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.NI",
    "submitted_at": "2016-12-01T19:48:53Z",
    "title_canon_sha256": "50343581b934cf99adeba1a531b2022f85676d4271306063a75d3cae15f5badf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1612.00397",
    "kind": "arxiv",
    "version": 1
  }
}