Pith Number

pith:PCE66DSM

pith:2015:PCE66DSMPODEKDJNBSDUPYXXM6

not attested not anchored not stored refs pending

Blow-up in manifolds with generalized corners

Chris Kottke

arxiv:1509.03874 v1 · 2015-09-13 · math.DG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PCE66DSMPODEKDJNBSDUPYXXM6}

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	2026-05-18T00:01:39.453460Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7889ef0e4c7b86450d2d0c8747e2f76781b12d74031a4b74e66ce647614eae72

Aliases

arxiv: 1509.03874 · arxiv_version: 1509.03874v1 · doi: 10.48550/arxiv.1509.03874 · pith_short_12: PCE66DSMPODE · pith_short_16: PCE66DSMPODEKDJN · pith_short_8: PCE66DSM

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/PCE66DSMPODEKDJNBSDUPYXXM6 \
  | 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: 7889ef0e4c7b86450d2d0c8747e2f76781b12d74031a4b74e66ce647614eae72

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a68085ed8714aa91c395b4215c624a3e3a3243b34d545cc1ed5f421247b157c1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2015-09-13T17:57:59Z",
    "title_canon_sha256": "4aadf7bd35c34c0354ed2c775d529cb48c01b148556144f5bef108476a4088ce"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.03874",
    "kind": "arxiv",
    "version": 1
  }
}