Pith Number

pith:F23UB3X2

pith:2014:F23UB3X2ZZXT6HSM4PQ6G7S6IN

not attested not anchored not stored refs pending

Contractible stability spaces and faithful braid group actions

Jon Woolf, Yu Qiu

arxiv:1407.5986 v3 · 2014-07-22 · math.AG · math.RT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{F23UB3X2ZZXT6HSM4PQ6G7S6IN}

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	2026-05-18T00:04:18.021795Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2eb740eeface6f3f1e4ce3e1e37e5e437aa3fbb4eb230fff22b8b6e76043353c

Aliases

arxiv: 1407.5986 · arxiv_version: 1407.5986v3 · doi: 10.48550/arxiv.1407.5986 · pith_short_12: F23UB3X2ZZXT · pith_short_16: F23UB3X2ZZXT6HSM · pith_short_8: F23UB3X2

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/F23UB3X2ZZXT6HSM4PQ6G7S6IN \
  | 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: 2eb740eeface6f3f1e4ce3e1e37e5e437aa3fbb4eb230fff22b8b6e76043353c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "893e2e71d1c41d03d03c17a42062bc7b7339d5db26cf3ac2d29317295370f3f3",
    "cross_cats_sorted": [
      "math.RT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2014-07-22T19:49:31Z",
    "title_canon_sha256": "cbd907db70909a5add2cf11b0c7166f58021e7cafd2d3c6b2b5e62f6122f2ada"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1407.5986",
    "kind": "arxiv",
    "version": 3
  }
}