Pith Number

pith:YZGCLML5

pith:2015:YZGCLML5XDWC4KJM2RAKN5B2TC

not attested not anchored not stored refs pending

Uniqueness of Solution of the Unsteady Filtration Problem in Heterogeneous Porous Media

Abdeslem Lyaghfouri, El Mehdi Zaouche

arxiv:1508.02938 v1 · 2015-08-12 · math.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YZGCLML5XDWC4KJM2RAKN5B2TC}

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	2026-05-18T01:35:23.390745Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c64c25b17db8ec2e292cd440a6f43a988e92e59aeba93883575596822059e96f

Aliases

arxiv: 1508.02938 · arxiv_version: 1508.02938v1 · doi: 10.48550/arxiv.1508.02938 · pith_short_12: YZGCLML5XDWC · pith_short_16: YZGCLML5XDWC4KJM · pith_short_8: YZGCLML5

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/YZGCLML5XDWC4KJM2RAKN5B2TC \
  | 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: c64c25b17db8ec2e292cd440a6f43a988e92e59aeba93883575596822059e96f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "94771b6e277a4f4e1ada88172700b84a34f587b02076c347d1be169de7f5c7d9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2015-08-12T14:48:14Z",
    "title_canon_sha256": "4dad3c41956423f16b6d3b8fb029d8deee5a77382ecba9cbb908df01c3b22ff8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1508.02938",
    "kind": "arxiv",
    "version": 1
  }
}