Pith Number

pith:DYCGQBZD

pith:2018:DYCGQBZDBAY2KZXQQGUZHI4MQC

not attested not anchored not stored refs pending

The relationship of generalized manifolds to Poincar\'{e} duality complexes and topological manifolds

Du\v{s}an Repov\v{s}, Friedrich Hegenbarth

arxiv:1803.08701 v1 · 2018-03-23 · math.GT · 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{DYCGQBZDBAY2KZXQQGUZHI4MQC}

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	2026-05-18T00:20:18.773907Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1e046807230831a566f081a993a38c80892ca42dce0fb6b31c05541daf8fc471

Aliases

arxiv: 1803.08701 · arxiv_version: 1803.08701v1 · doi: 10.48550/arxiv.1803.08701 · pith_short_12: DYCGQBZDBAY2 · pith_short_16: DYCGQBZDBAY2KZXQ · pith_short_8: DYCGQBZD

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/DYCGQBZDBAY2KZXQQGUZHI4MQC \
  | 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: 1e046807230831a566f081a993a38c80892ca42dce0fb6b31c05541daf8fc471

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a124389d3a496bd6e7be784238a486593d437f17375d7b04101de9232d67749c",
    "cross_cats_sorted": [
      "math.AT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GT",
    "submitted_at": "2018-03-23T09:20:53Z",
    "title_canon_sha256": "c8b5874078b320caed16448c54b882b8e793f397d2410dacd6d3cfaed27194fd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.08701",
    "kind": "arxiv",
    "version": 1
  }
}