Pith Number

pith:RRQ4XCK6

pith:2016:RRQ4XCK6ZJPOUZL6RG6NIM7QOJ

not attested not anchored not stored refs pending

Approximation methods for the calculation of eigenvalues in ODE with periodic or anti periodic boundary conditions: Application to nanotubes

J. Negro, LP Lara, M Gadella

arxiv:1606.09173 v1 · 2016-06-28 · physics.comp-ph · math-ph · math.MP · math.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RRQ4XCK6ZJPOUZL6RG6NIM7QOJ}

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	2026-05-18T01:11:41.640304Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8c61cb895eca5eea657e89bcd433f0724f31a50a0e38e919bc6222dbd03a2f49

Aliases

arxiv: 1606.09173 · arxiv_version: 1606.09173v1 · doi: 10.48550/arxiv.1606.09173 · pith_short_12: RRQ4XCK6ZJPO · pith_short_16: RRQ4XCK6ZJPOUZL6 · pith_short_8: RRQ4XCK6

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/RRQ4XCK6ZJPOUZL6RG6NIM7QOJ \
  | 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: 8c61cb895eca5eea657e89bcd433f0724f31a50a0e38e919bc6222dbd03a2f49

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "571a3de3af80c535b731ddb665cb22e415b8b9ac2a12a8c32e7e60b87e239fda",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP",
      "math.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.comp-ph",
    "submitted_at": "2016-06-28T17:25:07Z",
    "title_canon_sha256": "8d5f1b0a30f1c0b0578505199a010de76ccb689ce0071a11b4335928bdb90627"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1606.09173",
    "kind": "arxiv",
    "version": 1
  }
}