Pith Number

pith:XO74CC4N

pith:2018:XO74CC4N2WB22YEQS2LQ3MA7ZN

not attested not anchored not stored refs pending

Inverse Problems in Topological Persistence

Elchanan Solomon, Steve Oudot

arxiv:1810.10813 v1 · 2018-10-25 · math.AT · cs.CG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XO74CC4N2WB22YEQS2LQ3MA7ZN}

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	2026-05-18T00:02:19.618440Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bbbfc10b8dd583ad609096970db01fcb5a40bf7e0d02387c9a2b8f4def090d45

Aliases

arxiv: 1810.10813 · arxiv_version: 1810.10813v1 · doi: 10.48550/arxiv.1810.10813 · pith_short_12: XO74CC4N2WB2 · pith_short_16: XO74CC4N2WB22YEQ · pith_short_8: XO74CC4N

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/XO74CC4N2WB22YEQS2LQ3MA7ZN \
  | 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: bbbfc10b8dd583ad609096970db01fcb5a40bf7e0d02387c9a2b8f4def090d45

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "20e7c05fae2999d94e0e7f3ada82040d0a6c88a4d1c44a1a87ce4080b889a7f5",
    "cross_cats_sorted": [
      "cs.CG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AT",
    "submitted_at": "2018-10-25T09:59:40Z",
    "title_canon_sha256": "fde2f7f8d386867844d00cd276699b9b4a7e68bc98b65842cd3ddd6a9deb079f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.10813",
    "kind": "arxiv",
    "version": 1
  }
}