Pith Number

pith:KB6RGIJX

pith:2017:KB6RGIJXE2FOUO6OBALVWLZ5RE

not attested not anchored not stored refs pending

Fractional differential equations with mixed boundary conditions

Ricardo Almeida

arxiv:1711.00923 v1 · 2017-10-25 · math.CA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KB6RGIJXE2FOUO6OBALVWLZ5RE}

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	2026-05-18T00:31:24.491177Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

507d132137268aea3bce08175b2f3d892741684d9e3f2c10cb8a646f6d01bd97

Aliases

arxiv: 1711.00923 · arxiv_version: 1711.00923v1 · doi: 10.48550/arxiv.1711.00923 · pith_short_12: KB6RGIJXE2FO · pith_short_16: KB6RGIJXE2FOUO6O · pith_short_8: KB6RGIJX

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/KB6RGIJXE2FOUO6OBALVWLZ5RE \
  | 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: 507d132137268aea3bce08175b2f3d892741684d9e3f2c10cb8a646f6d01bd97

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "50f2b502a7d36ba4409265de68648c7867d793a8c976495a4e15b4c06e268248",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CA",
    "submitted_at": "2017-10-25T09:25:49Z",
    "title_canon_sha256": "a8733c0402e1d80af7179c179ca2311497266d4e2e9f5845c69da1c8d632acc1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1711.00923",
    "kind": "arxiv",
    "version": 1
  }
}