Pith Number

pith:OTSQXHBY

pith:2017:OTSQXHBYLXM7YXR5GU5SP7ZVLH

not attested not anchored not stored refs pending

Persistent Path Homology of Directed Networks

Facundo M\'emoli, Samir Chowdhury

arxiv:1701.00565 v2 · 2017-01-03 · 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{OTSQXHBYLXM7YXR5GU5SP7ZVLH}

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	2026-05-18T00:46:22.332819Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

74e50b9c385dd9fc5e3d353b27ff3559e1f483416d1181f130a03def239bf1b5

Aliases

arxiv: 1701.00565 · arxiv_version: 1701.00565v2 · doi: 10.48550/arxiv.1701.00565 · pith_short_12: OTSQXHBYLXM7 · pith_short_16: OTSQXHBYLXM7YXR5 · pith_short_8: OTSQXHBY

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/OTSQXHBYLXM7YXR5GU5SP7ZVLH \
  | 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: 74e50b9c385dd9fc5e3d353b27ff3559e1f483416d1181f130a03def239bf1b5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "74e17cb607e9601aadf05f33a01324ec39ff161c23db5b7c6e7f16759f0825f2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AT",
    "submitted_at": "2017-01-03T02:26:18Z",
    "title_canon_sha256": "d140081a6197afcf1de27eb0d826eb38b3d7e8012ff2630db37ba0ceb264066d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.00565",
    "kind": "arxiv",
    "version": 2
  }
}