Pith Number

pith:NSYMIEJ5

pith:2014:NSYMIEJ563JHNI2RD4Y7TQTWLO

not attested not anchored not stored refs pending

Local structures on stratified spaces

David Ayala, Hiro Lee Tanaka, John Francis

arxiv:1409.0501 v6 · 2014-09-01 · 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{NSYMIEJ563JHNI2RD4Y7TQTWLO}

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	2026-05-18T00:51:05.699091Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6cb0c4113df6d276a3511f31f9c2765b8a534fc9510e9aaa9c56ba6a010f8baa

Aliases

arxiv: 1409.0501 · arxiv_version: 1409.0501v6 · doi: 10.48550/arxiv.1409.0501 · pith_short_12: NSYMIEJ563JH · pith_short_16: NSYMIEJ563JHNI2R · pith_short_8: NSYMIEJ5

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/NSYMIEJ563JHNI2RD4Y7TQTWLO \
  | 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: 6cb0c4113df6d276a3511f31f9c2765b8a534fc9510e9aaa9c56ba6a010f8baa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f93de03591f65e5cd7b28269ec3cc65980b8b050ddbd46bfabb04e66424adec1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AT",
    "submitted_at": "2014-09-01T18:44:25Z",
    "title_canon_sha256": "efa52d6f8e119e3a3fc2ec0bf5ba5a85c87f99b5cfb3c9174ef8fa98331500fe"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1409.0501",
    "kind": "arxiv",
    "version": 6
  }
}