Pith Number

pith:EMH7ULX3

pith:2015:EMH7ULX3QIJ52WWJVXHFIYPMWF

not attested not anchored not stored refs pending

Modelling some real phenomena by fractional differential equations

M. Teresa T. Monteiro, Nuno R. O. Bastos, Ricardo Almeida

arxiv:1511.06202 v1 · 2015-11-13 · math.GM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EMH7ULX3QIJ52WWJVXHFIYPMWF}

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	2026-05-18T01:00:40.123391Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

230ffa2efb8213dd5ac9adce5461ecb15ed9a01bad6b2778b88cc94606fc7d3f

Aliases

arxiv: 1511.06202 · arxiv_version: 1511.06202v1 · doi: 10.48550/arxiv.1511.06202 · pith_short_12: EMH7ULX3QIJ5 · pith_short_16: EMH7ULX3QIJ52WWJ · pith_short_8: EMH7ULX3

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/EMH7ULX3QIJ52WWJVXHFIYPMWF \
  | 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: 230ffa2efb8213dd5ac9adce5461ecb15ed9a01bad6b2778b88cc94606fc7d3f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7c3479ec3f26aba3a66f10a8691589643c973d873074a5317680582fa95b9b70",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GM",
    "submitted_at": "2015-11-13T22:43:49Z",
    "title_canon_sha256": "d7c2b31fa54b73a5337d16580529069fb277be55827176d414f89329753edbbe"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1511.06202",
    "kind": "arxiv",
    "version": 1
  }
}