Pith Number

pith:Z4Z34H4H

pith:2018:Z4Z34H4HS6PTVPNHPY7ALPSDWN

not attested not anchored not stored refs pending

Differential Imaging of Local Perturbations in Anisotropic Periodic Media

Thi-Phong Nguyen

arxiv:1811.03460 v1 · 2018-11-07 · 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{Z4Z34H4HS6PTVPNHPY7ALPSDWN}

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	2026-05-18T00:01:16.102953Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cf33be1f87979f3abda77e3e05be43b351e26dbf783cc8a5f14610de38c39099

Aliases

arxiv: 1811.03460 · arxiv_version: 1811.03460v1 · doi: 10.48550/arxiv.1811.03460 · pith_short_12: Z4Z34H4HS6PT · pith_short_16: Z4Z34H4HS6PTVPNH · pith_short_8: Z4Z34H4H

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/Z4Z34H4HS6PTVPNHPY7ALPSDWN \
  | 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: cf33be1f87979f3abda77e3e05be43b351e26dbf783cc8a5f14610de38c39099

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c0552adc2bc9e717a04904ece9c63bd2ed3584ccecab53be5056522267a7a676",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2018-11-07T14:55:43Z",
    "title_canon_sha256": "e99f9e4e4359da0e89fb8a4e30f6b78771e7e93468cf309707e9db88ea8c7805"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.03460",
    "kind": "arxiv",
    "version": 1
  }
}