Pith Number

pith:AYHDDKVG

pith:2009:AYHDDKVGLNFSGFY3OEM5XAFYE7

not attested not anchored not stored refs pending

On uncertainty principles in the finite dimensional setting

IMB), Philippe Jaming (MAPMO, Saifallah Ghobber (MAPMO)

arxiv:0903.2923 v2 · 2009-03-17 · math.CA · cs.IT · math.IT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{AYHDDKVGLNFSGFY3OEM5XAFYE7}

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	2026-05-18T00:07:24.093308Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

060e31aaa65b4b23171b7119db80b827ca48a62e84a7ee4dafe74d2c880107ff

Aliases

arxiv: 0903.2923 · arxiv_version: 0903.2923v2 · doi: 10.48550/arxiv.0903.2923 · pith_short_12: AYHDDKVGLNFS · pith_short_16: AYHDDKVGLNFSGFY3 · pith_short_8: AYHDDKVG

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/AYHDDKVGLNFSGFY3OEM5XAFYE7 \
  | 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: 060e31aaa65b4b23171b7119db80b827ca48a62e84a7ee4dafe74d2c880107ff

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0a2517d0769e14f76fea43f28a01bbd4f787873bac8e3fc65771b4c85dc68041",
    "cross_cats_sorted": [
      "cs.IT",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CA",
    "submitted_at": "2009-03-17T08:56:10Z",
    "title_canon_sha256": "66503229b43e7da44ae41dc2043a200a916ae9156af506eac63795ae6237d70a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0903.2923",
    "kind": "arxiv",
    "version": 2
  }
}