Pith Number

pith:S7HPJNFH

pith:2019:S7HPJNFHCBCIWU6IDCUZP7MVNO

not attested not anchored not stored refs pending

Fractional damping through restricted calculus of variations

Fernando Jim\'enez, Sina Ober-Bl\"obaum

arxiv:1905.05608 v1 · 2019-05-14 · math-ph · math.CA · 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{S7HPJNFHCBCIWU6IDCUZP7MVNO}

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	2026-05-17T23:46:14.080787Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

97cef4b4a710448b53c818a997fd956b9ae6d582aec52aecaf329648391cccc9

Aliases

arxiv: 1905.05608 · arxiv_version: 1905.05608v1 · doi: 10.48550/arxiv.1905.05608 · pith_short_12: S7HPJNFHCBCI · pith_short_16: S7HPJNFHCBCIWU6I · pith_short_8: S7HPJNFH

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/S7HPJNFHCBCIWU6IDCUZP7MVNO \
  | 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: 97cef4b4a710448b53c818a997fd956b9ae6d582aec52aecaf329648391cccc9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6912c765f0d88ab4b301935cdf63789053c2da12b9a47f86af65976ef72efcce",
    "cross_cats_sorted": [
      "math.CA",
      "math.MP",
      "math.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2019-05-14T13:48:48Z",
    "title_canon_sha256": "b1bfef284c79a1de96c9a6e3f396915837a727900635534989745610c34e2c28"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.05608",
    "kind": "arxiv",
    "version": 1
  }
}