Pith Number

pith:XKREDJ66

pith:2018:XKREDJ66WSO57U62L7RKB52WYO

not attested not anchored not stored refs pending

A three-level multi-continua upscaling method for flow problems in fractured porous media

Aleksey Tyrylgin, Eric T. Chung, Maria Vasilyeva, Yalchin Efendiev

arxiv:1810.01581 v1 · 2018-10-03 · 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{XKREDJ66WSO57U62L7RKB52WYO}

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	2026-05-18T00:04:11.590014Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

baa241a7deb49ddfd3da5fe2a0f756c39beafeb375ee0836e2fceb9069fe6e2e

Aliases

arxiv: 1810.01581 · arxiv_version: 1810.01581v1 · doi: 10.48550/arxiv.1810.01581 · pith_short_12: XKREDJ66WSO5 · pith_short_16: XKREDJ66WSO57U62 · pith_short_8: XKREDJ66

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/XKREDJ66WSO57U62L7RKB52WYO \
  | 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: baa241a7deb49ddfd3da5fe2a0f756c39beafeb375ee0836e2fceb9069fe6e2e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "be7c04fdd32df53773926a1eac81e5fa998cc69af0141527adbeb4f223743c96",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2018-10-03T04:56:10Z",
    "title_canon_sha256": "38a8640b81fbb31422999daeb2b989bae04ae8b36a1ac13dc9db1002443d0f71"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.01581",
    "kind": "arxiv",
    "version": 1
  }
}