Pith Number

pith:7YESGCOP

pith:2018:7YESGCOPNAUBZ75ROXLRM6PQRI

not attested not anchored not stored refs pending

Strong stability and shifted stability for the cohomology of configuration spaces

Barbu Berceanu, Muhammad Yameen

arxiv:1810.05011 v1 · 2018-10-11 · math.AT · math.GT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7YESGCOPNAUBZ75ROXLRM6PQRI}

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	2026-05-18T00:03:35.241125Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fe092309cf68281cffb175d71679f08a0ee313560e54e5dc8487062d12d40303

Aliases

arxiv: 1810.05011 · arxiv_version: 1810.05011v1 · doi: 10.48550/arxiv.1810.05011 · pith_short_12: 7YESGCOPNAUB · pith_short_16: 7YESGCOPNAUBZ75R · pith_short_8: 7YESGCOP

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/7YESGCOPNAUBZ75ROXLRM6PQRI \
  | 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: fe092309cf68281cffb175d71679f08a0ee313560e54e5dc8487062d12d40303

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "88e0b3e4c4e323b57d5e0e5221bfae0743161394be1e36536b2b2e083873d151",
    "cross_cats_sorted": [
      "math.GT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AT",
    "submitted_at": "2018-10-11T13:29:02Z",
    "title_canon_sha256": "7cc227ae8ab102bcea98b163f883ecfcb1e6c3e0aa4f17ee6379b48ac6e5a781"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.05011",
    "kind": "arxiv",
    "version": 1
  }
}