Pith Number

pith:SML23EVX

pith:2016:SML23EVXTXL2KPLTKJSIU56D4O

not attested not anchored not stored refs pending

Computing Zigzag Persistent Cohomology

Cl\'ement Maria, Steve Oudot

arxiv:1608.06039 v1 · 2016-08-22 · 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{SML23EVXTXL2KPLTKJSIU56D4O}

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	2026-05-18T01:08:22.474336Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9317ad92b79dd7a53d7352648a77c3e3a5f61f9043da594e343814950f74dc76

Aliases

arxiv: 1608.06039 · arxiv_version: 1608.06039v1 · doi: 10.48550/arxiv.1608.06039 · pith_short_12: SML23EVXTXL2 · pith_short_16: SML23EVXTXL2KPLT · pith_short_8: SML23EVX

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/SML23EVXTXL2KPLTKJSIU56D4O \
  | 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: 9317ad92b79dd7a53d7352648a77c3e3a5f61f9043da594e343814950f74dc76

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eb81a793d9015e5cdc6479208cc3ae59a71c387262ffd7201917b104d1e93bda",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CG",
    "submitted_at": "2016-08-22T03:06:15Z",
    "title_canon_sha256": "ae96780ac77d2d126aa49d3426cb1848f878fbbd8d11d07dec154c8b3565a66a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1608.06039",
    "kind": "arxiv",
    "version": 1
  }
}