Pith Number

pith:FFB7TTC5

pith:2011:FFB7TTC54NKZVVVTAIHLWJYW66

not attested not anchored not stored refs pending

On a class of differential-algebraic equations with infinite delay

Luca Bisconti, Marco Spadini

arxiv:1104.0141 v3 · 2011-04-01 · math.CA · 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{FFB7TTC54NKZVVVTAIHLWJYW66}

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	2026-05-18T03:39:05.457182Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2943f9cc5de3559ad6b3020ebb2716f7bc765f540983b15f83c8041d1c82c15d

Aliases

arxiv: 1104.0141 · arxiv_version: 1104.0141v3 · doi: 10.48550/arxiv.1104.0141 · pith_short_12: FFB7TTC54NKZ · pith_short_16: FFB7TTC54NKZVVVT · pith_short_8: FFB7TTC5

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/FFB7TTC54NKZVVVTAIHLWJYW66 \
  | 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: 2943f9cc5de3559ad6b3020ebb2716f7bc765f540983b15f83c8041d1c82c15d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "95b92975bfbc4fe0bb6c7a52173bcf089c9fc5249f1ac346e1c84f12b4e3df5a",
    "cross_cats_sorted": [
      "math.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CA",
    "submitted_at": "2011-04-01T11:03:35Z",
    "title_canon_sha256": "d5fae03c1923fd3542128321a6766421f5b378f4c694e68ef18b4cf07d062756"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1104.0141",
    "kind": "arxiv",
    "version": 3
  }
}