Pith Number

pith:EOP5H2WN

pith:2017:EOP5H2WNT5UYT6CMCVTTS47FPK

not attested not anchored not stored refs pending

Numerical renormalization group algorithms for self-similar solutions of partial differential equations

Federico C. Furtado, Gast\~ao A. Braga, Long Lee, Vincenzo Isaia

arxiv:1707.05544 v3 · 2017-07-18 · 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{EOP5H2WNT5UYT6CMCVTTS47FPK}

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	2026-05-18T00:11:00.505442Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

239fd3eacd9f6989f84c15673973e57aaca02be1386b02e278692e40b6617e10

Aliases

arxiv: 1707.05544 · arxiv_version: 1707.05544v3 · doi: 10.48550/arxiv.1707.05544 · pith_short_12: EOP5H2WNT5UY · pith_short_16: EOP5H2WNT5UYT6CM · pith_short_8: EOP5H2WN

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/EOP5H2WNT5UYT6CMCVTTS47FPK \
  | 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: 239fd3eacd9f6989f84c15673973e57aaca02be1386b02e278692e40b6617e10

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "12fbd8918f100d7a42d7a83c33bb0e30605f33ec468c52187275fd18153e72ab",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2017-07-18T09:49:35Z",
    "title_canon_sha256": "8d3ca1152caaa6f86e165a56fda632aec9e0edaf6ec9b2723f5bec878940093a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1707.05544",
    "kind": "arxiv",
    "version": 3
  }
}