Pith Number

pith:UH7K6AOV

pith:2016:UH7K6AOVXQFGCI7G2XF3RCCS4C

not attested not anchored not stored refs pending

Cellular stratified spaces

Dai Tamaki

arxiv:1609.04500 v1 · 2016-09-15 · 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{UH7K6AOVXQFGCI7G2XF3RCCS4C}

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	2026-05-18T01:04:36.533246Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a1feaf01d5bc0a6123e6d5cbb88852e0add4ad3709f53fd9e78838b6d7b567f7

Aliases

arxiv: 1609.04500 · arxiv_version: 1609.04500v1 · doi: 10.48550/arxiv.1609.04500 · pith_short_12: UH7K6AOVXQFG · pith_short_16: UH7K6AOVXQFGCI7G · pith_short_8: UH7K6AOV

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/UH7K6AOVXQFGCI7G2XF3RCCS4C \
  | 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: a1feaf01d5bc0a6123e6d5cbb88852e0add4ad3709f53fd9e78838b6d7b567f7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cf92aa95707e293879c292e011cc41b374bddc694da0835608a6def88c1d8f18",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AT",
    "submitted_at": "2016-09-15T03:54:55Z",
    "title_canon_sha256": "82bd94e364b640a6f7320a21725eefcaef17dd0ebd35c18deadc46963bd812d5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1609.04500",
    "kind": "arxiv",
    "version": 1
  }
}