Pith Number

pith:OIAILHR6

pith:2017:OIAILHR6MWPDB4NTBXVGS2VOXG

not attested not anchored not stored refs pending

Stratifying multiparameter persistent homology

Hal Schenck, Heather A. Harrington, Nina Otter, Ulrike Tillmann

arxiv:1708.07390 v2 · 2017-08-24 · math.AT · math.AC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OIAILHR6MWPDB4NTBXVGS2VOXG}

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	2026-05-17T23:43:09.607703Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7200859e3e659e30f1b30dea696aaeb9acd8ef2884240d711931586932ee74ff

Aliases

arxiv: 1708.07390 · arxiv_version: 1708.07390v2 · doi: 10.48550/arxiv.1708.07390 · pith_short_12: OIAILHR6MWPD · pith_short_16: OIAILHR6MWPDB4NT · pith_short_8: OIAILHR6

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/OIAILHR6MWPDB4NTBXVGS2VOXG \
  | 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: 7200859e3e659e30f1b30dea696aaeb9acd8ef2884240d711931586932ee74ff

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2c3729e2bb7b2cdf4149f9dbf325a4c7c052ee5442c975cca0739643b4dc9f40",
    "cross_cats_sorted": [
      "math.AC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AT",
    "submitted_at": "2017-08-24T13:22:59Z",
    "title_canon_sha256": "f758fa0ef2d871ba22a5eb82b32cdb567695253b36db102c816acaca3a0fa99d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1708.07390",
    "kind": "arxiv",
    "version": 2
  }
}