Pith Number

pith:CK5EDMWX

pith:2014:CK5EDMWXDLRJZEKVBU4S3V3UXF

not attested not anchored not stored refs pending

Reverse Time Migration for Extended Obstacles: Electromagnetic Waves

Guanghui Huang, Junqing Chen, Zhiming Chen

arxiv:1406.2515 v1 · 2014-06-10 · math-ph · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CK5EDMWXDLRJZEKVBU4S3V3UXF}

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	2026-05-18T02:50:01.563728Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

12ba41b2d71ae29c91550d392dd774b9709293ec2b8b435e90c3ebdf80ad3944

Aliases

arxiv: 1406.2515 · arxiv_version: 1406.2515v1 · doi: 10.48550/arxiv.1406.2515 · pith_short_12: CK5EDMWXDLRJ · pith_short_16: CK5EDMWXDLRJZEKV · pith_short_8: CK5EDMWX

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/CK5EDMWXDLRJZEKVBU4S3V3UXF \
  | 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: 12ba41b2d71ae29c91550d392dd774b9709293ec2b8b435e90c3ebdf80ad3944

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cdd8f2826dd5cfe8e13f6972028ba717cd5130eb3b7b644384ef78f737bf182e",
    "cross_cats_sorted": [
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2014-06-10T11:45:09Z",
    "title_canon_sha256": "5155fc571bb15f5e634c1de3add17a38a2b41713eb9942e3973c32b153ca6294"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1406.2515",
    "kind": "arxiv",
    "version": 1
  }
}