Pith Number

pith:EMFAEZVQ

pith:2009:EMFAEZVQYTF5EJMGOQ2ACA57FW

not attested not anchored not stored refs pending

The H^{-1}-norm of tubular neighbourhoods of curves

Mark A. Peletier, Yves van Gennip

arxiv:0903.3709 v2 · 2009-03-22 · math.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EMFAEZVQYTF5EJMGOQ2ACA57FW}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-17T23:41:01.721429Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

230a0266b0c4cbd2258674340103bf2d93dec8acf36607e806ec613157a20549

Aliases

arxiv: 0903.3709 · arxiv_version: 0903.3709v2 · doi: 10.48550/arxiv.0903.3709 · pith_short_12: EMFAEZVQYTF5 · pith_short_16: EMFAEZVQYTF5EJMG · pith_short_8: EMFAEZVQ

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/EMFAEZVQYTF5EJMGOQ2ACA57FW \
  | 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: 230a0266b0c4cbd2258674340103bf2d93dec8acf36607e806ec613157a20549

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "84a101c048b6eec61e280200344d5be48191b8395b96a1c496a933c4af97b599",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2009-03-22T06:15:45Z",
    "title_canon_sha256": "468488a36ecd9305ef6d0e0831742fa8708e6fff3be98a7f271ba1f2f62bb7b7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0903.3709",
    "kind": "arxiv",
    "version": 2
  }
}