Pith Number

pith:2EFYA7O4

pith:2017:2EFYA7O4V7N4CWIR2JNP7B6YUH

not attested not anchored not stored refs pending

An Isometry Theorem for Generalized Persistence Modules

David Meyer, Killian Meehan

arxiv:1710.02858 v1 · 2017-10-08 · math.AT · math.RA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2EFYA7O4V7N4CWIR2JNP7B6YUH}

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	2026-05-18T00:33:28.668379Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d10b807ddcafdbc15911d25aff87d8a1ef1397b21b5243cfc53eeae64e647db6

Aliases

arxiv: 1710.02858 · arxiv_version: 1710.02858v1 · doi: 10.48550/arxiv.1710.02858 · pith_short_12: 2EFYA7O4V7N4 · pith_short_16: 2EFYA7O4V7N4CWIR · pith_short_8: 2EFYA7O4

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/2EFYA7O4V7N4CWIR2JNP7B6YUH \
  | 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: d10b807ddcafdbc15911d25aff87d8a1ef1397b21b5243cfc53eeae64e647db6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b9590f57a71ddc7500d6049e565f34ccbf9c6642f2d5fee09e23f1335a9e5b91",
    "cross_cats_sorted": [
      "math.RA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AT",
    "submitted_at": "2017-10-08T17:10:40Z",
    "title_canon_sha256": "23ee76af415a56bcd5421f86294ab0d825465c630d9da0aee53df35b09d181b6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1710.02858",
    "kind": "arxiv",
    "version": 1
  }
}