Pith Number

pith:MROV777Q

pith:2009:MROV777QMBYOBUAWAR6D2NGVCN

not attested not anchored not stored refs pending

Coding discretizations of continuous functions

CPT), Cristobal Rojas (IML, FRUMAM, FRUMAM), Serge Troubetzkoy (IML

arxiv:0907.2299 v1 · 2009-07-14 · 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{MROV777QMBYOBUAWAR6D2NGVCN}

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	2026-05-18T04:04:28.682047Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

645d5ffff06070e0d016047c3d34d5134bf007ae20d6bfae4e911785635ae577

Aliases

arxiv: 0907.2299 · arxiv_version: 0907.2299v1 · doi: 10.48550/arxiv.0907.2299 · pith_short_12: MROV777QMBYO · pith_short_16: MROV777QMBYOBUAW · pith_short_8: MROV777Q

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/MROV777QMBYOBUAWAR6D2NGVCN \
  | 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: 645d5ffff06070e0d016047c3d34d5134bf007ae20d6bfae4e911785635ae577

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "520ac049b1ad56874a7bc17e2a93af5f7002d8c21b81866ec290eb2e206274f5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2009-07-14T07:18:42Z",
    "title_canon_sha256": "0d13f9ad089b2e2d7c00c0eb26a8cb3c00c08d631089ec74d082ca5c35cacd1c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0907.2299",
    "kind": "arxiv",
    "version": 1
  }
}