Pith Number

pith:T254DNEQ

pith:2013:T254DNEQIBBH4KMCAEL3MZL5QH

not attested not anchored not stored refs pending

Homological stability for spaces of embedded surfaces

Federico Cantero Mor\'an, Oscar Randal-Williams

arxiv:1304.3006 v3 · 2013-04-10 · 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{T254DNEQIBBH4KMCAEL3MZL5QH}

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	2026-05-18T00:42:33.741422Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9ebbc1b49040427e29820117b6657d81d8070b6d3311c626327446fdf0e0e00f

Aliases

arxiv: 1304.3006 · arxiv_version: 1304.3006v3 · doi: 10.48550/arxiv.1304.3006 · pith_short_12: T254DNEQIBBH · pith_short_16: T254DNEQIBBH4KMC · pith_short_8: T254DNEQ

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/T254DNEQIBBH4KMCAEL3MZL5QH \
  | 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: 9ebbc1b49040427e29820117b6657d81d8070b6d3311c626327446fdf0e0e00f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "327d018e142e128de9956ba515baa89f81f511ae0ee157963a797c917fed3967",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AT",
    "submitted_at": "2013-04-10T15:41:08Z",
    "title_canon_sha256": "7dca26ddf0e951e2bce95d23fbdfd65164bfe75be9113ec42663d663fa9be1bc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.3006",
    "kind": "arxiv",
    "version": 3
  }
}