Pith Number

pith:XEVOWITR

pith:2015:XEVOWITRUBESVSSRX4F6OLEB63

not attested not anchored not stored refs pending

Strongly quasi-proper maps and the f-flattening theorem

Daniel Barlet

arxiv:1504.01579 v1 · 2015-04-07 · math.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XEVOWITRUBESVSSRX4F6OLEB63}

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	2026-05-18T02:19:26.722027Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b92aeb2271a0492aca51bf0be72c81f6d9c48dec96861b56bcb438e672bd35b4

Aliases

arxiv: 1504.01579 · arxiv_version: 1504.01579v1 · doi: 10.48550/arxiv.1504.01579 · pith_short_12: XEVOWITRUBES · pith_short_16: XEVOWITRUBESVSSR · pith_short_8: XEVOWITR

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/XEVOWITRUBESVSSRX4F6OLEB63 \
  | 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: b92aeb2271a0492aca51bf0be72c81f6d9c48dec96861b56bcb438e672bd35b4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ce42f4b6e62aba7e348f30c2324ec490facc5cdfd9bab2325c57bb054a535f5e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CV",
    "submitted_at": "2015-04-07T12:32:35Z",
    "title_canon_sha256": "0f5d8ae4a0658207af5217696e61f5dd0992e426d5b553dada7fadf78451ad3f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.01579",
    "kind": "arxiv",
    "version": 1
  }
}