Pith Number

pith:7FIYRXP4

pith:2016:7FIYRXP4FQDGYMJIHI7ZS7FLXR

not attested not anchored not stored refs pending

Blowup for flat slow manifolds

Kristian Uldall Kristiansen

arxiv:1603.01821 v5 · 2016-03-06 · math.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7FIYRXP4FQDGYMJIHI7ZS7FLXR}

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	2026-05-18T00:47:59.149677Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f95188ddfc2c066c31283a3f997cabbc6876314cded1ca35320da179ea38f356

Aliases

arxiv: 1603.01821 · arxiv_version: 1603.01821v5 · doi: 10.48550/arxiv.1603.01821 · pith_short_12: 7FIYRXP4FQDG · pith_short_16: 7FIYRXP4FQDGYMJI · pith_short_8: 7FIYRXP4

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/7FIYRXP4FQDGYMJIHI7ZS7FLXR \
  | 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: f95188ddfc2c066c31283a3f997cabbc6876314cded1ca35320da179ea38f356

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "437b3941090a5d742fd846473e2bb12ccbc0fdee8282718fe3a5d27ed005b45d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2016-03-06T12:47:48Z",
    "title_canon_sha256": "555ac00a2158a88e3f37ebc90d66f3557cc8809c9ba9b3103dea54e2e08f7b0e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1603.01821",
    "kind": "arxiv",
    "version": 5
  }
}